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Finding the Fourth Proportional to 220,065.84, 330,095.08 and 70,305.04

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Solution

The fourth proportional to 220,065.84, 330,095.08 and 70,305.04 is: 105,456.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,065.84 : 330,095.08 = 70,305.04 : x
  2. Step 2: Convert to fraction form
    220,065.84/330,095.08 = 70,305.04/x
  3. Step 3: Cross multiply
    220,065.84x = 330,095.08 × 70,305.04
  4. Step 4: Simplify right side
    220,065.84x = 23,207,347,803.20
  5. Step 5: Solve for x
    x = 23,207,347,803.20/220,065.84
  6. Step 6: Final answer
    x = 105,456.38

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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.