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Finding the Fourth Proportional to 110,386.53, 152,332.65 and 60,085.53

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Solution

The fourth proportional to 110,386.53, 152,332.65 and 60,085.53 is: 82,917.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,386.53 : 152,332.65 = 60,085.53 : x
  2. Step 2: Convert to fraction form
    110,386.53/152,332.65 = 60,085.53/x
  3. Step 3: Cross multiply
    110,386.53x = 152,332.65 × 60,085.53
  4. Step 4: Simplify right side
    110,386.53x = 9,152,988,011.55
  5. Step 5: Solve for x
    x = 9,152,988,011.55/110,386.53
  6. Step 6: Final answer
    x = 82,917.62

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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.