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Finding the Fourth Proportional to 114,713.68, 158,301.12 and 64,413.04

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Solution

The fourth proportional to 114,713.68, 158,301.12 and 64,413.04 is: 88,887.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,713.68 : 158,301.12 = 64,413.04 : x
  2. Step 2: Convert to fraction form
    114,713.68/158,301.12 = 64,413.04/x
  3. Step 3: Cross multiply
    114,713.68x = 158,301.12 × 64,413.04
  4. Step 4: Simplify right side
    114,713.68x = 10,196,656,374.60
  5. Step 5: Solve for x
    x = 10,196,656,374.60/114,713.68
  6. Step 6: Final answer
    x = 88,887.88

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.