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Finding the Fourth Proportional to 340,043.85, 510,066.63 and 162,510.48

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Solution

The fourth proportional to 340,043.85, 510,066.63 and 162,510.48 is: 243,766.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,043.85 : 510,066.63 = 162,510.48 : x
  2. Step 2: Convert to fraction form
    340,043.85/510,066.63 = 162,510.48/x
  3. Step 3: Cross multiply
    340,043.85x = 510,066.63 × 162,510.48
  4. Step 4: Simplify right side
    340,043.85x = 82,891,172,873.28
  5. Step 5: Solve for x
    x = 82,891,172,873.28/340,043.85
  6. Step 6: Final answer
    x = 243,766.13

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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.