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Finding the Fourth Proportional to 176,557.20, 264,938.20 and 65,760.40

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Solution

The fourth proportional to 176,557.20, 264,938.20 and 65,760.40 is: 98,678.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,557.20 : 264,938.20 = 65,760.40 : x
  2. Step 2: Convert to fraction form
    176,557.20/264,938.20 = 65,760.40/x
  3. Step 3: Cross multiply
    176,557.20x = 264,938.20 × 65,760.40
  4. Step 4: Simplify right side
    176,557.20x = 17,422,442,007.28
  5. Step 5: Solve for x
    x = 17,422,442,007.28/176,557.20
  6. Step 6: Final answer
    x = 98,678.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.