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Finding the Fourth Proportional to 93,143.69, 128,468.97 and 59,122.62

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Solution

The fourth proportional to 93,143.69, 128,468.97 and 59,122.62 is: 81,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,143.69 : 128,468.97 = 59,122.62 : x
  2. Step 2: Convert to fraction form
    93,143.69/128,468.97 = 59,122.62/x
  3. Step 3: Cross multiply
    93,143.69x = 128,468.97 × 59,122.62
  4. Step 4: Simplify right side
    93,143.69x = 7,595,422,095.10
  5. Step 5: Solve for x
    x = 7,595,422,095.10/93,143.69
  6. Step 6: Final answer
    x = 81,545.22

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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.