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Finding the Fourth Proportional to 88,099.65, 132,062.60 and 56,419.74

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Solution

The fourth proportional to 88,099.65, 132,062.60 and 56,419.74 is: 84,573.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,099.65 : 132,062.60 = 56,419.74 : x
  2. Step 2: Convert to fraction form
    88,099.65/132,062.60 = 56,419.74/x
  3. Step 3: Cross multiply
    88,099.65x = 132,062.60 × 56,419.74
  4. Step 4: Simplify right side
    88,099.65x = 7,450,937,696.77
  5. Step 5: Solve for x
    x = 7,450,937,696.77/88,099.65
  6. Step 6: Final answer
    x = 84,573.98

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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.