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Finding the Fourth Proportional to 239,875.38, 359,750.34 and 71,350.32

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Solution

The fourth proportional to 239,875.38, 359,750.34 and 71,350.32 is: 107,006.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,875.38 : 359,750.34 = 71,350.32 : x
  2. Step 2: Convert to fraction form
    239,875.38/359,750.34 = 71,350.32/x
  3. Step 3: Cross multiply
    239,875.38x = 359,750.34 × 71,350.32
  4. Step 4: Simplify right side
    239,875.38x = 25,668,301,879.11
  5. Step 5: Solve for x
    x = 25,668,301,879.11/239,875.38
  6. Step 6: Final answer
    x = 107,006.82

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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.