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Finding the Fourth Proportional to 118,545.60, 177,957.30 and 93,602.46

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Solution

The fourth proportional to 118,545.60, 177,957.30 and 93,602.46 is: 140,513.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,545.60 : 177,957.30 = 93,602.46 : x
  2. Step 2: Convert to fraction form
    118,545.60/177,957.30 = 93,602.46/x
  3. Step 3: Cross multiply
    118,545.60x = 177,957.30 × 93,602.46
  4. Step 4: Simplify right side
    118,545.60x = 16,657,241,054.96
  5. Step 5: Solve for x
    x = 16,657,241,054.96/118,545.60
  6. Step 6: Final answer
    x = 140,513.36

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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.