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Finding the Fourth Proportional to 239,714.71, 359,478.57 and 89,873.35

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Solution

The fourth proportional to 239,714.71, 359,478.57 and 89,873.35 is: 134,774.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,714.71 : 359,478.57 = 89,873.35 : x
  2. Step 2: Convert to fraction form
    239,714.71/359,478.57 = 89,873.35/x
  3. Step 3: Cross multiply
    239,714.71x = 359,478.57 × 89,873.35
  4. Step 4: Simplify right side
    239,714.71x = 32,307,543,339.11
  5. Step 5: Solve for x
    x = 32,307,543,339.11/239,714.71
  6. Step 6: Final answer
    x = 134,774.97

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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.