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Finding the Fourth Proportional to 93,151.56, 128,545.12 and 50,710.24

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Solution

The fourth proportional to 93,151.56, 128,545.12 and 50,710.24 is: 69,977.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,151.56 : 128,545.12 = 50,710.24 : x
  2. Step 2: Convert to fraction form
    93,151.56/128,545.12 = 50,710.24/x
  3. Step 3: Cross multiply
    93,151.56x = 128,545.12 × 50,710.24
  4. Step 4: Simplify right side
    93,151.56x = 6,518,553,886.03
  5. Step 5: Solve for x
    x = 6,518,553,886.03/93,151.56
  6. Step 6: Final answer
    x = 69,977.94

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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.