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Finding the Fourth Proportional to 243,816.92, 365,870.73 and 108,870.56

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Solution

The fourth proportional to 243,816.92, 365,870.73 and 108,870.56 is: 163,370.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,816.92 : 365,870.73 = 108,870.56 : x
  2. Step 2: Convert to fraction form
    243,816.92/365,870.73 = 108,870.56/x
  3. Step 3: Cross multiply
    243,816.92x = 365,870.73 × 108,870.56
  4. Step 4: Simplify right side
    243,816.92x = 39,832,551,262.71
  5. Step 5: Solve for x
    x = 39,832,551,262.71/243,816.92
  6. Step 6: Final answer
    x = 163,370.74

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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.