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Finding the Fourth Proportional to 178,887.59, 246,859.65 and 102,404.15

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Solution

The fourth proportional to 178,887.59, 246,859.65 and 102,404.15 is: 141,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,887.59 : 246,859.65 = 102,404.15 : x
  2. Step 2: Convert to fraction form
    178,887.59/246,859.65 = 102,404.15/x
  3. Step 3: Cross multiply
    178,887.59x = 246,859.65 × 102,404.15
  4. Step 4: Simplify right side
    178,887.59x = 25,279,452,627.55
  5. Step 5: Solve for x
    x = 25,279,452,627.55/178,887.59
  6. Step 6: Final answer
    x = 141,314.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.