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Finding the Fourth Proportional to 88,488.61, 132,752.34 and 65,043.97

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Solution

The fourth proportional to 88,488.61, 132,752.34 and 65,043.97 is: 97,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,488.61 : 132,752.34 = 65,043.97 : x
  2. Step 2: Convert to fraction form
    88,488.61/132,752.34 = 65,043.97/x
  3. Step 3: Cross multiply
    88,488.61x = 132,752.34 × 65,043.97
  4. Step 4: Simplify right side
    88,488.61x = 8,634,738,888.51
  5. Step 5: Solve for x
    x = 8,634,738,888.51/88,488.61
  6. Step 6: Final answer
    x = 97,580.23

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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.