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Finding the Fourth Proportional to 169,351.16, 253,985.63 and 57,002.13

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Solution

The fourth proportional to 169,351.16, 253,985.63 and 57,002.13 is: 85,489.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,351.16 : 253,985.63 = 57,002.13 : x
  2. Step 2: Convert to fraction form
    169,351.16/253,985.63 = 57,002.13/x
  3. Step 3: Cross multiply
    169,351.16x = 253,985.63 × 57,002.13
  4. Step 4: Simplify right side
    169,351.16x = 14,477,721,614.38
  5. Step 5: Solve for x
    x = 14,477,721,614.38/169,351.16
  6. Step 6: Final answer
    x = 85,489.36

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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.