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Finding the Fourth Proportional to 148,511.80, 223,026.90 and 143,846.20

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Solution

The fourth proportional to 148,511.80, 223,026.90 and 143,846.20 is: 216,020.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,511.80 : 223,026.90 = 143,846.20 : x
  2. Step 2: Convert to fraction form
    148,511.80/223,026.90 = 143,846.20/x
  3. Step 3: Cross multiply
    148,511.80x = 223,026.90 × 143,846.20
  4. Step 4: Simplify right side
    148,511.80x = 32,081,572,062.78
  5. Step 5: Solve for x
    x = 32,081,572,062.78/148,511.80
  6. Step 6: Final answer
    x = 216,020.36

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1.5x scale

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.