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Finding the Fourth Proportional to 124,104.96, 186,127.20 and 35,366.40

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Solution

The fourth proportional to 124,104.96, 186,127.20 and 35,366.40 is: 53,040.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,104.96 : 186,127.20 = 35,366.40 : x
  2. Step 2: Convert to fraction form
    124,104.96/186,127.20 = 35,366.40/x
  3. Step 3: Cross multiply
    124,104.96x = 186,127.20 × 35,366.40
  4. Step 4: Simplify right side
    124,104.96x = 6,582,649,006.08
  5. Step 5: Solve for x
    x = 6,582,649,006.08/124,104.96
  6. Step 6: Final answer
    x = 53,040.98

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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.