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Finding the Fourth Proportional to 58,807.68, 88,142.40 and 45,536.64

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Solution

The fourth proportional to 58,807.68, 88,142.40 and 45,536.64 is: 68,251.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,807.68 : 88,142.40 = 45,536.64 : x
  2. Step 2: Convert to fraction form
    58,807.68/88,142.40 = 45,536.64/x
  3. Step 3: Cross multiply
    58,807.68x = 88,142.40 × 45,536.64
  4. Step 4: Simplify right side
    58,807.68x = 4,013,708,737.54
  5. Step 5: Solve for x
    x = 4,013,708,737.54/58,807.68
  6. Step 6: Final answer
    x = 68,251.44

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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.