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Finding the Fourth Proportional to 230,966.70, 346,417.65 and 73,211.10

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Solution

The fourth proportional to 230,966.70, 346,417.65 and 73,211.10 is: 109,806.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,966.70 : 346,417.65 = 73,211.10 : x
  2. Step 2: Convert to fraction form
    230,966.70/346,417.65 = 73,211.10/x
  3. Step 3: Cross multiply
    230,966.70x = 346,417.65 × 73,211.10
  4. Step 4: Simplify right side
    230,966.70x = 25,361,617,215.92
  5. Step 5: Solve for x
    x = 25,361,617,215.92/230,966.70
  6. Step 6: Final answer
    x = 109,806.38

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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.