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Finding the Fourth Proportional to 127,590.52, 191,413.46 and 38,841.73

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Solution

The fourth proportional to 127,590.52, 191,413.46 and 38,841.73 is: 58,271.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,590.52 : 191,413.46 = 38,841.73 : x
  2. Step 2: Convert to fraction form
    127,590.52/191,413.46 = 38,841.73/x
  3. Step 3: Cross multiply
    127,590.52x = 191,413.46 × 38,841.73
  4. Step 4: Simplify right side
    127,590.52x = 7,434,829,737.48
  5. Step 5: Solve for x
    x = 7,434,829,737.48/127,590.52
  6. Step 6: Final answer
    x = 58,271.02

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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.