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Finding the Fourth Proportional to 124,340.40, 186,510.60 and 41,234.40

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Solution

The fourth proportional to 124,340.40, 186,510.60 and 41,234.40 is: 61,851.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,340.40 : 186,510.60 = 41,234.40 : x
  2. Step 2: Convert to fraction form
    124,340.40/186,510.60 = 41,234.40/x
  3. Step 3: Cross multiply
    124,340.40x = 186,510.60 × 41,234.40
  4. Step 4: Simplify right side
    124,340.40x = 7,690,652,684.64
  5. Step 5: Solve for x
    x = 7,690,652,684.64/124,340.40
  6. Step 6: Final answer
    x = 61,851.60

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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.