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Finding the Fourth Proportional to 82,958.40, 124,437.60 and 23,788.80

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Solution

The fourth proportional to 82,958.40, 124,437.60 and 23,788.80 is: 35,683.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,958.40 : 124,437.60 = 23,788.80 : x
  2. Step 2: Convert to fraction form
    82,958.40/124,437.60 = 23,788.80/x
  3. Step 3: Cross multiply
    82,958.40x = 124,437.60 × 23,788.80
  4. Step 4: Simplify right side
    82,958.40x = 2,960,221,178.88
  5. Step 5: Solve for x
    x = 2,960,221,178.88/82,958.40
  6. Step 6: Final answer
    x = 35,683.20

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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.