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Finding the Fourth Proportional to 158,292.80, 237,413.28 and 58,499.76

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Solution

The fourth proportional to 158,292.80, 237,413.28 and 58,499.76 is: 87,740.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,292.80 : 237,413.28 = 58,499.76 : x
  2. Step 2: Convert to fraction form
    158,292.80/237,413.28 = 58,499.76/x
  3. Step 3: Cross multiply
    158,292.80x = 237,413.28 × 58,499.76
  4. Step 4: Simplify right side
    158,292.80x = 13,888,619,900.81
  5. Step 5: Solve for x
    x = 13,888,619,900.81/158,292.80
  6. Step 6: Final answer
    x = 87,740.06

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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.