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Finding the Fourth Proportional to 60,042.65, 90,068.65 and 35,085.29

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Solution

The fourth proportional to 60,042.65, 90,068.65 and 35,085.29 is: 52,630.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,042.65 : 90,068.65 = 35,085.29 : x
  2. Step 2: Convert to fraction form
    60,042.65/90,068.65 = 35,085.29/x
  3. Step 3: Cross multiply
    60,042.65x = 90,068.65 × 35,085.29
  4. Step 4: Simplify right side
    60,042.65x = 3,160,084,167.10
  5. Step 5: Solve for x
    x = 3,160,084,167.10/60,042.65
  6. Step 6: Final answer
    x = 52,630.66

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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.