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Finding the Fourth Proportional to 93,758.60, 129,385.95 and 50,737.17

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Solution

The fourth proportional to 93,758.60, 129,385.95 and 50,737.17 is: 70,016.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,758.60 : 129,385.95 = 50,737.17 : x
  2. Step 2: Convert to fraction form
    93,758.60/129,385.95 = 50,737.17/x
  3. Step 3: Cross multiply
    93,758.60x = 129,385.95 × 50,737.17
  4. Step 4: Simplify right side
    93,758.60x = 6,564,677,228.54
  5. Step 5: Solve for x
    x = 6,564,677,228.54/93,758.60
  6. Step 6: Final answer
    x = 70,016.80

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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.