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Finding the Fourth Proportional to 361,632.74, 542,485.55 and 95,411.66

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Solution

The fourth proportional to 361,632.74, 542,485.55 and 95,411.66 is: 143,127.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,632.74 : 542,485.55 = 95,411.66 : x
  2. Step 2: Convert to fraction form
    361,632.74/542,485.55 = 95,411.66/x
  3. Step 3: Cross multiply
    361,632.74x = 542,485.55 × 95,411.66
  4. Step 4: Simplify right side
    361,632.74x = 51,759,444,377.61
  5. Step 5: Solve for x
    x = 51,759,444,377.61/361,632.74
  6. Step 6: Final answer
    x = 143,127.10

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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.