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Finding the Fourth Proportional to 103,092.76, 142,265.70 and 60,069.57

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Solution

The fourth proportional to 103,092.76, 142,265.70 and 60,069.57 is: 82,894.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,092.76 : 142,265.70 = 60,069.57 : x
  2. Step 2: Convert to fraction form
    103,092.76/142,265.70 = 60,069.57/x
  3. Step 3: Cross multiply
    103,092.76x = 142,265.70 × 60,069.57
  4. Step 4: Simplify right side
    103,092.76x = 8,545,839,601.46
  5. Step 5: Solve for x
    x = 8,545,839,601.46/103,092.76
  6. Step 6: Final answer
    x = 82,894.66

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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.