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Finding the Fourth Proportional to 85,259.64, 127,873.98 and 22,915.56

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Solution

The fourth proportional to 85,259.64, 127,873.98 and 22,915.56 is: 34,369.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,259.64 : 127,873.98 = 22,915.56 : x
  2. Step 2: Convert to fraction form
    85,259.64/127,873.98 = 22,915.56/x
  3. Step 3: Cross multiply
    85,259.64x = 127,873.98 × 22,915.56
  4. Step 4: Simplify right side
    85,259.64x = 2,930,303,861.13
  5. Step 5: Solve for x
    x = 2,930,303,861.13/85,259.64
  6. Step 6: Final answer
    x = 34,369.18

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1.5x scale

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.