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Finding the Fourth Proportional to 144,953.70, 217,430.55 and 134,456.10

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Solution

The fourth proportional to 144,953.70, 217,430.55 and 134,456.10 is: 201,684.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,953.70 : 217,430.55 = 134,456.10 : x
  2. Step 2: Convert to fraction form
    144,953.70/217,430.55 = 134,456.10/x
  3. Step 3: Cross multiply
    144,953.70x = 217,430.55 × 134,456.10
  4. Step 4: Simplify right side
    144,953.70x = 29,234,863,773.86
  5. Step 5: Solve for x
    x = 29,234,863,773.86/144,953.70
  6. Step 6: Final answer
    x = 201,684.15

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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.