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Finding the Fourth Proportional to 252,461.61, 348,417.84 and 143,600.04

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Solution

The fourth proportional to 252,461.61, 348,417.84 and 143,600.04 is: 198,179.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,461.61 : 348,417.84 = 143,600.04 : x
  2. Step 2: Convert to fraction form
    252,461.61/348,417.84 = 143,600.04/x
  3. Step 3: Cross multiply
    252,461.61x = 348,417.84 × 143,600.04
  4. Step 4: Simplify right side
    252,461.61x = 50,032,815,760.71
  5. Step 5: Solve for x
    x = 50,032,815,760.71/252,461.61
  6. Step 6: Final answer
    x = 198,179.90

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1.5x scale

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.