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Finding the Fourth Proportional to 255,147.62, 382,807.53 and 112,973.49

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Solution

The fourth proportional to 255,147.62, 382,807.53 and 112,973.49 is: 169,498.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,147.62 : 382,807.53 = 112,973.49 : x
  2. Step 2: Convert to fraction form
    255,147.62/382,807.53 = 112,973.49/x
  3. Step 3: Cross multiply
    255,147.62x = 382,807.53 × 112,973.49
  4. Step 4: Simplify right side
    255,147.62x = 43,247,102,662.38
  5. Step 5: Solve for x
    x = 43,247,102,662.38/255,147.62
  6. Step 6: Final answer
    x = 169,498.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.