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Finding the Fourth Proportional to 144,895.60, 217,343.40 and 95,129.20

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Solution

The fourth proportional to 144,895.60, 217,343.40 and 95,129.20 is: 142,693.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,895.60 : 217,343.40 = 95,129.20 : x
  2. Step 2: Convert to fraction form
    144,895.60/217,343.40 = 95,129.20/x
  3. Step 3: Cross multiply
    144,895.60x = 217,343.40 × 95,129.20
  4. Step 4: Simplify right side
    144,895.60x = 20,675,703,767.28
  5. Step 5: Solve for x
    x = 20,675,703,767.28/144,895.60
  6. Step 6: Final answer
    x = 142,693.80

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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.