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Finding the Fourth Proportional to 65,154.40, 89,922.72 and 41,283.30

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Solution

The fourth proportional to 65,154.40, 89,922.72 and 41,283.30 is: 56,977.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,154.40 : 89,922.72 = 41,283.30 : x
  2. Step 2: Convert to fraction form
    65,154.40/89,922.72 = 41,283.30/x
  3. Step 3: Cross multiply
    65,154.40x = 89,922.72 × 41,283.30
  4. Step 4: Simplify right side
    65,154.40x = 3,712,306,626.58
  5. Step 5: Solve for x
    x = 3,712,306,626.58/65,154.40
  6. Step 6: Final answer
    x = 56,977.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.