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Finding the Fourth Proportional to 239,073.43, 358,370.53 and 111,079.63

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Solution

The fourth proportional to 239,073.43, 358,370.53 and 111,079.63 is: 166,508.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,073.43 : 358,370.53 = 111,079.63 : x
  2. Step 2: Convert to fraction form
    239,073.43/358,370.53 = 111,079.63/x
  3. Step 3: Cross multiply
    239,073.43x = 358,370.53 × 111,079.63
  4. Step 4: Simplify right side
    239,073.43x = 39,807,665,875.30
  5. Step 5: Solve for x
    x = 39,807,665,875.30/239,073.43
  6. Step 6: Final answer
    x = 166,508.11

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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.