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Finding the Fourth Proportional to 240,615.60, 360,955.80 and 82,892.40

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Solution

The fourth proportional to 240,615.60, 360,955.80 and 82,892.40 is: 124,349.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,615.60 : 360,955.80 = 82,892.40 : x
  2. Step 2: Convert to fraction form
    240,615.60/360,955.80 = 82,892.40/x
  3. Step 3: Cross multiply
    240,615.60x = 360,955.80 × 82,892.40
  4. Step 4: Simplify right side
    240,615.60x = 29,920,492,555.92
  5. Step 5: Solve for x
    x = 29,920,492,555.92/240,615.60
  6. Step 6: Final answer
    x = 124,349.76

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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.