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Finding the Fourth Proportional to 176,439.92, 264,632.08 and 146,645.46

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Solution

The fourth proportional to 176,439.92, 264,632.08 and 146,645.46 is: 219,945.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,439.92 : 264,632.08 = 146,645.46 : x
  2. Step 2: Convert to fraction form
    176,439.92/264,632.08 = 146,645.46/x
  3. Step 3: Cross multiply
    176,439.92x = 264,632.08 × 146,645.46
  4. Step 4: Simplify right side
    176,439.92x = 38,807,091,779.20
  5. Step 5: Solve for x
    x = 38,807,091,779.20/176,439.92
  6. Step 6: Final answer
    x = 219,945.08

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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.