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Finding the Fourth Proportional to 185,404.65, 277,820.73 and 125,197.16

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Solution

The fourth proportional to 185,404.65, 277,820.73 and 125,197.16 is: 187,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,404.65 : 277,820.73 = 125,197.16 : x
  2. Step 2: Convert to fraction form
    185,404.65/277,820.73 = 125,197.16/x
  3. Step 3: Cross multiply
    185,404.65x = 277,820.73 × 125,197.16
  4. Step 4: Simplify right side
    185,404.65x = 34,782,366,766.69
  5. Step 5: Solve for x
    x = 34,782,366,766.69/185,404.65
  6. Step 6: Final answer
    x = 187,602.45

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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.