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Finding the Fourth Proportional to 66,508.18, 99,762.28 and 44,364.80

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Solution

The fourth proportional to 66,508.18, 99,762.28 and 44,364.80 is: 66,547.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,508.18 : 99,762.28 = 44,364.80 : x
  2. Step 2: Convert to fraction form
    66,508.18/99,762.28 = 44,364.80/x
  3. Step 3: Cross multiply
    66,508.18x = 99,762.28 × 44,364.80
  4. Step 4: Simplify right side
    66,508.18x = 4,425,933,738.24
  5. Step 5: Solve for x
    x = 4,425,933,738.24/66,508.18
  6. Step 6: Final answer
    x = 66,547.21

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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.