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Finding the Fourth Proportional to 118,158.80, 177,237.29 and 29,411.70

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Solution

The fourth proportional to 118,158.80, 177,237.29 and 29,411.70 is: 44,117.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,158.80 : 177,237.29 = 29,411.70 : x
  2. Step 2: Convert to fraction form
    118,158.80/177,237.29 = 29,411.70/x
  3. Step 3: Cross multiply
    118,158.80x = 177,237.29 × 29,411.70
  4. Step 4: Simplify right side
    118,158.80x = 5,212,849,855.23
  5. Step 5: Solve for x
    x = 5,212,849,855.23/118,158.80
  6. Step 6: Final answer
    x = 44,117.32

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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.