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Finding the Fourth Proportional to 123,393.81, 185,088.92 and 29,898.93

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Solution

The fourth proportional to 123,393.81, 185,088.92 and 29,898.93 is: 44,847.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,393.81 : 185,088.92 = 29,898.93 : x
  2. Step 2: Convert to fraction form
    123,393.81/185,088.92 = 29,898.93/x
  3. Step 3: Cross multiply
    123,393.81x = 185,088.92 × 29,898.93
  4. Step 4: Simplify right side
    123,393.81x = 5,533,960,513.36
  5. Step 5: Solve for x
    x = 5,533,960,513.36/123,393.81
  6. Step 6: Final answer
    x = 44,847.96

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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.