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Finding the Fourth Proportional to 146,215.80, 219,290.90 and 67,254.17

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Solution

The fourth proportional to 146,215.80, 219,290.90 and 67,254.17 is: 100,866.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,215.80 : 219,290.90 = 67,254.17 : x
  2. Step 2: Convert to fraction form
    146,215.80/219,290.90 = 67,254.17/x
  3. Step 3: Cross multiply
    146,215.80x = 219,290.90 × 67,254.17
  4. Step 4: Simplify right side
    146,215.80x = 14,748,226,035.33
  5. Step 5: Solve for x
    x = 14,748,226,035.33/146,215.80
  6. Step 6: Final answer
    x = 100,866.16

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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.