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Finding the Fourth Proportional to 168,663.60, 232,863.12 and 105,094.80

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Solution

The fourth proportional to 168,663.60, 232,863.12 and 105,094.80 is: 145,097.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,663.60 : 232,863.12 = 105,094.80 : x
  2. Step 2: Convert to fraction form
    168,663.60/232,863.12 = 105,094.80/x
  3. Step 3: Cross multiply
    168,663.60x = 232,863.12 × 105,094.80
  4. Step 4: Simplify right side
    168,663.60x = 24,472,703,023.78
  5. Step 5: Solve for x
    x = 24,472,703,023.78/168,663.60
  6. Step 6: Final answer
    x = 145,097.72

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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.