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Finding the Fourth Proportional to 124,410.60, 186,594.30 and 45,484.20

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Solution

The fourth proportional to 124,410.60, 186,594.30 and 45,484.20 is: 68,218.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,410.60 : 186,594.30 = 45,484.20 : x
  2. Step 2: Convert to fraction form
    124,410.60/186,594.30 = 45,484.20/x
  3. Step 3: Cross multiply
    124,410.60x = 186,594.30 × 45,484.20
  4. Step 4: Simplify right side
    124,410.60x = 8,487,092,460.06
  5. Step 5: Solve for x
    x = 8,487,092,460.06/124,410.60
  6. Step 6: Final answer
    x = 68,218.40

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.