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Finding the Fourth Proportional to 170,939,866.96, 235,978,359.12 and 114,521,758.25

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Solution

The fourth proportional to 170,939,866.96, 235,978,359.12 and 114,521,758.25 is: 158,094,522.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,939,866.96 : 235,978,359.12 = 114,521,758.25 : x
  2. Step 2: Convert to fraction form
    170,939,866.96/235,978,359.12 = 114,521,758.25/x
  3. Step 3: Cross multiply
    170,939,866.96x = 235,978,359.12 × 114,521,758.25
  4. Step 4: Simplify right side
    170,939,866.96x = 27,024,656,595,962,268
  5. Step 5: Solve for x
    x = 27,024,656,595,962,268/170,939,866.96
  6. Step 6: Final answer
    x = 158,094,522.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.