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Finding the Fourth Proportional to 159,852.80, 239,779.14 and 47,532.56

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Solution

The fourth proportional to 159,852.80, 239,779.14 and 47,532.56 is: 71,298.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,852.80 : 239,779.14 = 47,532.56 : x
  2. Step 2: Convert to fraction form
    159,852.80/239,779.14 = 47,532.56/x
  3. Step 3: Cross multiply
    159,852.80x = 239,779.14 × 47,532.56
  4. Step 4: Simplify right side
    159,852.80x = 11,397,316,358.80
  5. Step 5: Solve for x
    x = 11,397,316,358.80/159,852.80
  6. Step 6: Final answer
    x = 71,298.82

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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.