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Finding the Fourth Proportional to 220,460.04, 330,744.06 and 70,700.76

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Solution

The fourth proportional to 220,460.04, 330,744.06 and 70,700.76 is: 106,068.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,460.04 : 330,744.06 = 70,700.76 : x
  2. Step 2: Convert to fraction form
    220,460.04/330,744.06 = 70,700.76/x
  3. Step 3: Cross multiply
    220,460.04x = 330,744.06 × 70,700.76
  4. Step 4: Simplify right side
    220,460.04x = 23,383,856,407.49
  5. Step 5: Solve for x
    x = 23,383,856,407.49/220,460.04
  6. Step 6: Final answer
    x = 106,068.46

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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.