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Finding the Fourth Proportional to 252,000.01, 347,759.21 and 138,822.76

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Solution

The fourth proportional to 252,000.01, 347,759.21 and 138,822.76 is: 191,574.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,000.01 : 347,759.21 = 138,822.76 : x
  2. Step 2: Convert to fraction form
    252,000.01/347,759.21 = 138,822.76/x
  3. Step 3: Cross multiply
    252,000.01x = 347,759.21 × 138,822.76
  4. Step 4: Simplify right side
    252,000.01x = 48,276,890,914.71
  5. Step 5: Solve for x
    x = 48,276,890,914.71/252,000.01
  6. Step 6: Final answer
    x = 191,574.96

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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.