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Finding the Fourth Proportional to 100,658.34, 150,901.11 and 56,248.74

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Solution

The fourth proportional to 100,658.34, 150,901.11 and 56,248.74 is: 84,324.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,658.34 : 150,901.11 = 56,248.74 : x
  2. Step 2: Convert to fraction form
    100,658.34/150,901.11 = 56,248.74/x
  3. Step 3: Cross multiply
    100,658.34x = 150,901.11 × 56,248.74
  4. Step 4: Simplify right side
    100,658.34x = 8,487,997,302.10
  5. Step 5: Solve for x
    x = 8,487,997,302.10/100,658.34
  6. Step 6: Final answer
    x = 84,324.83

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1.5x scale

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.