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Finding the Fourth Proportional to 220,332.66, 304,060.99 and 119,730.66

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Solution

The fourth proportional to 220,332.66, 304,060.99 and 119,730.66 is: 165,229.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,332.66 : 304,060.99 = 119,730.66 : x
  2. Step 2: Convert to fraction form
    220,332.66/304,060.99 = 119,730.66/x
  3. Step 3: Cross multiply
    220,332.66x = 304,060.99 × 119,730.66
  4. Step 4: Simplify right side
    220,332.66x = 36,405,421,797.89
  5. Step 5: Solve for x
    x = 36,405,421,797.89/220,332.66
  6. Step 6: Final answer
    x = 165,229.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.