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Finding the Fourth Proportional to 93,320.91, 140,008.91 and 30,151.04

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Solution

The fourth proportional to 93,320.91, 140,008.91 and 30,151.04 is: 45,235.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,320.91 : 140,008.91 = 30,151.04 : x
  2. Step 2: Convert to fraction form
    93,320.91/140,008.91 = 30,151.04/x
  3. Step 3: Cross multiply
    93,320.91x = 140,008.91 × 30,151.04
  4. Step 4: Simplify right side
    93,320.91x = 4,221,413,394.97
  5. Step 5: Solve for x
    x = 4,221,413,394.97/93,320.91
  6. Step 6: Final answer
    x = 45,235.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.