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Finding the Fourth Proportional to 93,543, 129,098.22 and 51,107.92

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Solution

The fourth proportional to 93,543, 129,098.22 and 51,107.92 is: 70,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,543 : 129,098.22 = 51,107.92 : x
  2. Step 2: Convert to fraction form
    93,543/129,098.22 = 51,107.92/x
  3. Step 3: Cross multiply
    93,543x = 129,098.22 × 51,107.92
  4. Step 4: Simplify right side
    93,543x = 6,597,941,499.90
  5. Step 5: Solve for x
    x = 6,597,941,499.90/93,543
  6. Step 6: Final answer
    x = 70,533.78

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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.