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Finding the Fourth Proportional to 88,353.25, 132,437.32 and 43,312.39

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Solution

The fourth proportional to 88,353.25, 132,437.32 and 43,312.39 is: 64,923.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,353.25 : 132,437.32 = 43,312.39 : x
  2. Step 2: Convert to fraction form
    88,353.25/132,437.32 = 43,312.39/x
  3. Step 3: Cross multiply
    88,353.25x = 132,437.32 × 43,312.39
  4. Step 4: Simplify right side
    88,353.25x = 5,736,176,854.39
  5. Step 5: Solve for x
    x = 5,736,176,854.39/88,353.25
  6. Step 6: Final answer
    x = 64,923.21

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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.