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Finding the Fourth Proportional to 102,365.90, 141,265.50 and 59,370.88

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Solution

The fourth proportional to 102,365.90, 141,265.50 and 59,370.88 is: 81,932.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,365.90 : 141,265.50 = 59,370.88 : x
  2. Step 2: Convert to fraction form
    102,365.90/141,265.50 = 59,370.88/x
  3. Step 3: Cross multiply
    102,365.90x = 141,265.50 × 59,370.88
  4. Step 4: Simplify right side
    102,365.90x = 8,387,057,048.64
  5. Step 5: Solve for x
    x = 8,387,057,048.64/102,365.90
  6. Step 6: Final answer
    x = 81,932.14

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1.5x scale

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.