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Finding the Fourth Proportional to 175,484.61, 242,168.73 and 94,912.11

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Solution

The fourth proportional to 175,484.61, 242,168.73 and 94,912.11 is: 130,978.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,484.61 : 242,168.73 = 94,912.11 : x
  2. Step 2: Convert to fraction form
    175,484.61/242,168.73 = 94,912.11/x
  3. Step 3: Cross multiply
    175,484.61x = 242,168.73 × 94,912.11
  4. Step 4: Simplify right side
    175,484.61x = 22,984,743,454.92
  5. Step 5: Solve for x
    x = 22,984,743,454.92/175,484.61
  6. Step 6: Final answer
    x = 130,978.69

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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.