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Finding the Fourth Proportional to 124,095.62, 186,106.44 and 45,191.40

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Solution

The fourth proportional to 124,095.62, 186,106.44 and 45,191.40 is: 67,773.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,095.62 : 186,106.44 = 45,191.40 : x
  2. Step 2: Convert to fraction form
    124,095.62/186,106.44 = 45,191.40/x
  3. Step 3: Cross multiply
    124,095.62x = 186,106.44 × 45,191.40
  4. Step 4: Simplify right side
    124,095.62x = 8,410,410,044.18
  5. Step 5: Solve for x
    x = 8,410,410,044.18/124,095.62
  6. Step 6: Final answer
    x = 67,773.62

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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.