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Finding the Fourth Proportional to 103,488.01, 155,102.16 and 44,254.03

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Solution

The fourth proportional to 103,488.01, 155,102.16 and 44,254.03 is: 66,325.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,488.01 : 155,102.16 = 44,254.03 : x
  2. Step 2: Convert to fraction form
    103,488.01/155,102.16 = 44,254.03/x
  3. Step 3: Cross multiply
    103,488.01x = 155,102.16 × 44,254.03
  4. Step 4: Simplify right side
    103,488.01x = 6,863,895,641.70
  5. Step 5: Solve for x
    x = 6,863,895,641.70/103,488.01
  6. Step 6: Final answer
    x = 66,325.52

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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.