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Finding the Fourth Proportional to 102,207.52, 141,047.52 and 57,495.52

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Solution

The fourth proportional to 102,207.52, 141,047.52 and 57,495.52 is: 79,344.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.52 : 141,047.52 = 57,495.52 : x
  2. Step 2: Convert to fraction form
    102,207.52/141,047.52 = 57,495.52/x
  3. Step 3: Cross multiply
    102,207.52x = 141,047.52 × 57,495.52
  4. Step 4: Simplify right side
    102,207.52x = 8,109,600,507.11
  5. Step 5: Solve for x
    x = 8,109,600,507.11/102,207.52
  6. Step 6: Final answer
    x = 79,344.46

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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.