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Finding the Fourth Proportional to 160,665.60, 240,744.87 and 130,532.82

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Solution

The fourth proportional to 160,665.60, 240,744.87 and 130,532.82 is: 195,593.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,665.60 : 240,744.87 = 130,532.82 : x
  2. Step 2: Convert to fraction form
    160,665.60/240,744.87 = 130,532.82/x
  3. Step 3: Cross multiply
    160,665.60x = 240,744.87 × 130,532.82
  4. Step 4: Simplify right side
    160,665.60x = 31,425,106,781.63
  5. Step 5: Solve for x
    x = 31,425,106,781.63/160,665.60
  6. Step 6: Final answer
    x = 195,593.25

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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.