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Finding the Fourth Proportional to 118,545.98, 177,848.73 and 83,553.98

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Solution

The fourth proportional to 118,545.98, 177,848.73 and 83,553.98 is: 125,351.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,545.98 : 177,848.73 = 83,553.98 : x
  2. Step 2: Convert to fraction form
    118,545.98/177,848.73 = 83,553.98/x
  3. Step 3: Cross multiply
    118,545.98x = 177,848.73 × 83,553.98
  4. Step 4: Simplify right side
    118,545.98x = 14,859,968,340.20
  5. Step 5: Solve for x
    x = 14,859,968,340.20/118,545.98
  6. Step 6: Final answer
    x = 125,351.94

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1.5x scale

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.