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Finding the Fourth Proportional to 247,368.12, 341,206.62 and 156,629.52

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Solution

The fourth proportional to 247,368.12, 341,206.62 and 156,629.52 is: 216,046.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,368.12 : 341,206.62 = 156,629.52 : x
  2. Step 2: Convert to fraction form
    247,368.12/341,206.62 = 156,629.52/x
  3. Step 3: Cross multiply
    247,368.12x = 341,206.62 × 156,629.52
  4. Step 4: Simplify right side
    247,368.12x = 53,443,029,111.42
  5. Step 5: Solve for x
    x = 53,443,029,111.42/247,368.12
  6. Step 6: Final answer
    x = 216,046.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.