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Finding the Fourth Proportional to 162,803.80, 244,205.70 and 74,230.30

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Solution

The fourth proportional to 162,803.80, 244,205.70 and 74,230.30 is: 111,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,803.80 : 244,205.70 = 74,230.30 : x
  2. Step 2: Convert to fraction form
    162,803.80/244,205.70 = 74,230.30/x
  3. Step 3: Cross multiply
    162,803.80x = 244,205.70 × 74,230.30
  4. Step 4: Simplify right side
    162,803.80x = 18,127,462,372.71
  5. Step 5: Solve for x
    x = 18,127,462,372.71/162,803.80
  6. Step 6: Final answer
    x = 111,345.45

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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.