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Finding the Fourth Proportional to 105,165.57, 157,496.88 and 60,657.39

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Solution

The fourth proportional to 105,165.57, 157,496.88 and 60,657.39 is: 90,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,165.57 : 157,496.88 = 60,657.39 : x
  2. Step 2: Convert to fraction form
    105,165.57/157,496.88 = 60,657.39/x
  3. Step 3: Cross multiply
    105,165.57x = 157,496.88 × 60,657.39
  4. Step 4: Simplify right side
    105,165.57x = 9,553,349,673.94
  5. Step 5: Solve for x
    x = 9,553,349,673.94/105,165.57
  6. Step 6: Final answer
    x = 90,841.04

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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.