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Finding the Fourth Proportional to 170,939,867.96, 235,978,360.50 and 114,521,759.25

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Solution

The fourth proportional to 170,939,867.96, 235,978,360.50 and 114,521,759.25 is: 158,094,523.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,939,867.96 : 235,978,360.50 = 114,521,759.25 : x
  2. Step 2: Convert to fraction form
    170,939,867.96/235,978,360.50 = 114,521,759.25/x
  3. Step 3: Cross multiply
    170,939,867.96x = 235,978,360.50 × 114,521,759.25
  4. Step 4: Simplify right side
    170,939,867.96x = 27,024,656,989,390,708
  5. Step 5: Solve for x
    x = 27,024,656,989,390,708/170,939,867.96
  6. Step 6: Final answer
    x = 158,094,523.60

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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.