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Finding the Fourth Proportional to 88,822.40, 133,060.80 and 53,657.60

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Solution

The fourth proportional to 88,822.40, 133,060.80 and 53,657.60 is: 80,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,822.40 : 133,060.80 = 53,657.60 : x
  2. Step 2: Convert to fraction form
    88,822.40/133,060.80 = 53,657.60/x
  3. Step 3: Cross multiply
    88,822.40x = 133,060.80 × 53,657.60
  4. Step 4: Simplify right side
    88,822.40x = 7,139,723,182.08
  5. Step 5: Solve for x
    x = 7,139,723,182.08/88,822.40
  6. Step 6: Final answer
    x = 80,382.01

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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.