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Finding the Fourth Proportional to 220,335.12, 304,061.04 and 119,733.12

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Solution

The fourth proportional to 220,335.12, 304,061.04 and 119,733.12 is: 165,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,335.12 : 304,061.04 = 119,733.12 : x
  2. Step 2: Convert to fraction form
    220,335.12/304,061.04 = 119,733.12/x
  3. Step 3: Cross multiply
    220,335.12x = 304,061.04 × 119,733.12
  4. Step 4: Simplify right side
    220,335.12x = 36,406,176,989.64
  5. Step 5: Solve for x
    x = 36,406,176,989.64/220,335.12
  6. Step 6: Final answer
    x = 165,230.93

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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.