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Finding the Fourth Proportional to 168,178.63, 232,088.33 and 91,697.11

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Solution

The fourth proportional to 168,178.63, 232,088.33 and 91,697.11 is: 126,543.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,178.63 : 232,088.33 = 91,697.11 : x
  2. Step 2: Convert to fraction form
    168,178.63/232,088.33 = 91,697.11/x
  3. Step 3: Cross multiply
    168,178.63x = 232,088.33 × 91,697.11
  4. Step 4: Simplify right side
    168,178.63x = 21,281,829,125.73
  5. Step 5: Solve for x
    x = 21,281,829,125.73/168,178.63
  6. Step 6: Final answer
    x = 126,543.00

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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.