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Finding the Fourth Proportional to 124,308.40, 186,442.80 and 41,202.40

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Solution

The fourth proportional to 124,308.40, 186,442.80 and 41,202.40 is: 61,797.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,308.40 : 186,442.80 = 41,202.40 : x
  2. Step 2: Convert to fraction form
    124,308.40/186,442.80 = 41,202.40/x
  3. Step 3: Cross multiply
    124,308.40x = 186,442.80 × 41,202.40
  4. Step 4: Simplify right side
    124,308.40x = 7,681,890,822.72
  5. Step 5: Solve for x
    x = 7,681,890,822.72/124,308.40
  6. Step 6: Final answer
    x = 61,797.04

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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.