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Finding the Fourth Proportional to 124,099.79, 186,178.84 and 35,354.57

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Solution

The fourth proportional to 124,099.79, 186,178.84 and 35,354.57 is: 53,040.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,099.79 : 186,178.84 = 35,354.57 : x
  2. Step 2: Convert to fraction form
    124,099.79/186,178.84 = 35,354.57/x
  3. Step 3: Cross multiply
    124,099.79x = 186,178.84 × 35,354.57
  4. Step 4: Simplify right side
    124,099.79x = 6,582,271,812.02
  5. Step 5: Solve for x
    x = 6,582,271,812.02/124,099.79
  6. Step 6: Final answer
    x = 53,040.15

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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.