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Finding the Fourth Proportional to 83,246.40, 124,869.60 and 73,623.60

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Solution

The fourth proportional to 83,246.40, 124,869.60 and 73,623.60 is: 110,435.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,246.40 : 124,869.60 = 73,623.60 : x
  2. Step 2: Convert to fraction form
    83,246.40/124,869.60 = 73,623.60/x
  3. Step 3: Cross multiply
    83,246.40x = 124,869.60 × 73,623.60
  4. Step 4: Simplify right side
    83,246.40x = 9,193,349,482.56
  5. Step 5: Solve for x
    x = 9,193,349,482.56/83,246.40
  6. Step 6: Final answer
    x = 110,435.40

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Similar ratio
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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.