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Finding the Fourth Proportional to 144,001.30, 215,613.15 and 144,001.30

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Solution

The fourth proportional to 144,001.30, 215,613.15 and 144,001.30 is: 215,613.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,001.30 : 215,613.15 = 144,001.30 : x
  2. Step 2: Convert to fraction form
    144,001.30/215,613.15 = 144,001.30/x
  3. Step 3: Cross multiply
    144,001.30x = 215,613.15 × 144,001.30
  4. Step 4: Simplify right side
    144,001.30x = 31,048,573,897.10
  5. Step 5: Solve for x
    x = 31,048,573,897.10/144,001.30
  6. Step 6: Final answer
    x = 215,613.15

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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.