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Finding the Fourth Proportional to 144,548.76, 216,730.67 and 69,519.48

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Solution

The fourth proportional to 144,548.76, 216,730.67 and 69,519.48 is: 104,234.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,548.76 : 216,730.67 = 69,519.48 : x
  2. Step 2: Convert to fraction form
    144,548.76/216,730.67 = 69,519.48/x
  3. Step 3: Cross multiply
    144,548.76x = 216,730.67 × 69,519.48
  4. Step 4: Simplify right side
    144,548.76x = 15,067,003,130.85
  5. Step 5: Solve for x
    x = 15,067,003,130.85/144,548.76
  6. Step 6: Final answer
    x = 104,234.74

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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.