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Finding the Fourth Proportional to 252,043, 347,819.37 and 138,868.18

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Solution

The fourth proportional to 252,043, 347,819.37 and 138,868.18 is: 191,638.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,043 : 347,819.37 = 138,868.18 : x
  2. Step 2: Convert to fraction form
    252,043/347,819.37 = 138,868.18/x
  3. Step 3: Cross multiply
    252,043x = 347,819.37 × 138,868.18
  4. Step 4: Simplify right side
    252,043x = 48,301,042,880.65
  5. Step 5: Solve for x
    x = 48,301,042,880.65/252,043
  6. Step 6: Final answer
    x = 191,638.10

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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.