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Finding the Fourth Proportional to 159,527.60, 239,291.40 and 54,465.20

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Solution

The fourth proportional to 159,527.60, 239,291.40 and 54,465.20 is: 81,697.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,527.60 : 239,291.40 = 54,465.20 : x
  2. Step 2: Convert to fraction form
    159,527.60/239,291.40 = 54,465.20/x
  3. Step 3: Cross multiply
    159,527.60x = 239,291.40 × 54,465.20
  4. Step 4: Simplify right side
    159,527.60x = 13,033,053,959.28
  5. Step 5: Solve for x
    x = 13,033,053,959.28/159,527.60
  6. Step 6: Final answer
    x = 81,697.80

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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.