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Finding the Fourth Proportional to 69,048.72, 103,068.98 and 59,250.96

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Solution

The fourth proportional to 69,048.72, 103,068.98 and 59,250.96 is: 88,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,048.72 : 103,068.98 = 59,250.96 : x
  2. Step 2: Convert to fraction form
    69,048.72/103,068.98 = 59,250.96/x
  3. Step 3: Cross multiply
    69,048.72x = 103,068.98 × 59,250.96
  4. Step 4: Simplify right side
    69,048.72x = 6,106,935,714.97
  5. Step 5: Solve for x
    x = 6,106,935,714.97/69,048.72
  6. Step 6: Final answer
    x = 88,443.87

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.