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Finding the Fourth Proportional to 88,365.32, 132,631.02 and 46,275.60

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Solution

The fourth proportional to 88,365.32, 132,631.02 and 46,275.60 is: 69,456.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,365.32 : 132,631.02 = 46,275.60 : x
  2. Step 2: Convert to fraction form
    88,365.32/132,631.02 = 46,275.60/x
  3. Step 3: Cross multiply
    88,365.32x = 132,631.02 × 46,275.60
  4. Step 4: Simplify right side
    88,365.32x = 6,137,580,029.11
  5. Step 5: Solve for x
    x = 6,137,580,029.11/88,365.32
  6. Step 6: Final answer
    x = 69,456.89

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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.