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Finding the Fourth Proportional to 174,580.61, 240,921.48 and 99,129.11

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Solution

The fourth proportional to 174,580.61, 240,921.48 and 99,129.11 is: 136,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,580.61 : 240,921.48 = 99,129.11 : x
  2. Step 2: Convert to fraction form
    174,580.61/240,921.48 = 99,129.11/x
  3. Step 3: Cross multiply
    174,580.61x = 240,921.48 × 99,129.11
  4. Step 4: Simplify right side
    174,580.61x = 23,882,330,687.68
  5. Step 5: Solve for x
    x = 23,882,330,687.68/174,580.61
  6. Step 6: Final answer
    x = 136,798.30

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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.