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Finding the Fourth Proportional to 149,206.70, 223,810.05 and 125,587.10

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Solution

The fourth proportional to 149,206.70, 223,810.05 and 125,587.10 is: 188,380.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,206.70 : 223,810.05 = 125,587.10 : x
  2. Step 2: Convert to fraction form
    149,206.70/223,810.05 = 125,587.10/x
  3. Step 3: Cross multiply
    149,206.70x = 223,810.05 × 125,587.10
  4. Step 4: Simplify right side
    149,206.70x = 28,107,655,130.36
  5. Step 5: Solve for x
    x = 28,107,655,130.36/149,206.70
  6. Step 6: Final answer
    x = 188,380.65

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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.