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Finding the Fourth Proportional to 157,886.60, 237,413.10 and 132,225.80

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Solution

The fourth proportional to 157,886.60, 237,413.10 and 132,225.80 is: 198,827.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,886.60 : 237,413.10 = 132,225.80 : x
  2. Step 2: Convert to fraction form
    157,886.60/237,413.10 = 132,225.80/x
  3. Step 3: Cross multiply
    157,886.60x = 237,413.10 × 132,225.80
  4. Step 4: Simplify right side
    157,886.60x = 31,392,137,077.98
  5. Step 5: Solve for x
    x = 31,392,137,077.98/157,886.60
  6. Step 6: Final answer
    x = 198,827.11

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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.