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Finding the Fourth Proportional to 118,476.54, 177,715.98 and 29,730.42

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Solution

The fourth proportional to 118,476.54, 177,715.98 and 29,730.42 is: 44,595.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,476.54 : 177,715.98 = 29,730.42 : x
  2. Step 2: Convert to fraction form
    118,476.54/177,715.98 = 29,730.42/x
  3. Step 3: Cross multiply
    118,476.54x = 177,715.98 × 29,730.42
  4. Step 4: Simplify right side
    118,476.54x = 5,283,570,726.11
  5. Step 5: Solve for x
    x = 5,283,570,726.11/118,476.54
  6. Step 6: Final answer
    x = 44,595.92

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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.