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Finding the Fourth Proportional to 97,394.72, 145,807.28 and 88,056.24

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Solution

The fourth proportional to 97,394.72, 145,807.28 and 88,056.24 is: 131,826.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,394.72 : 145,807.28 = 88,056.24 : x
  2. Step 2: Convert to fraction form
    97,394.72/145,807.28 = 88,056.24/x
  3. Step 3: Cross multiply
    97,394.72x = 145,807.28 × 88,056.24
  4. Step 4: Simplify right side
    97,394.72x = 12,839,240,841.43
  5. Step 5: Solve for x
    x = 12,839,240,841.43/97,394.72
  6. Step 6: Final answer
    x = 131,826.87

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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.