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Finding the Fourth Proportional to 147,267.98, 220,873.76 and 40,625.40

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Solution

The fourth proportional to 147,267.98, 220,873.76 and 40,625.40 is: 60,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,267.98 : 220,873.76 = 40,625.40 : x
  2. Step 2: Convert to fraction form
    147,267.98/220,873.76 = 40,625.40/x
  3. Step 3: Cross multiply
    147,267.98x = 220,873.76 × 40,625.40
  4. Step 4: Simplify right side
    147,267.98x = 8,973,084,849.50
  5. Step 5: Solve for x
    x = 8,973,084,849.50/147,267.98
  6. Step 6: Final answer
    x = 60,930.32

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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.