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Finding the Fourth Proportional to 168,609.76, 232,690.80 and 93,156.64

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Solution

The fourth proportional to 168,609.76, 232,690.80 and 93,156.64 is: 128,561.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,609.76 : 232,690.80 = 93,156.64 : x
  2. Step 2: Convert to fraction form
    168,609.76/232,690.80 = 93,156.64/x
  3. Step 3: Cross multiply
    168,609.76x = 232,690.80 × 93,156.64
  4. Step 4: Simplify right side
    168,609.76x = 21,676,693,086.91
  5. Step 5: Solve for x
    x = 21,676,693,086.91/168,609.76
  6. Step 6: Final answer
    x = 128,561.32

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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.