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Finding the Fourth Proportional to 162,248.40, 243,226.80 and 103,053.60

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Solution

The fourth proportional to 162,248.40, 243,226.80 and 103,053.60 is: 154,487.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,248.40 : 243,226.80 = 103,053.60 : x
  2. Step 2: Convert to fraction form
    162,248.40/243,226.80 = 103,053.60/x
  3. Step 3: Cross multiply
    162,248.40x = 243,226.80 × 103,053.60
  4. Step 4: Simplify right side
    162,248.40x = 25,065,397,356.48
  5. Step 5: Solve for x
    x = 25,065,397,356.48/162,248.40
  6. Step 6: Final answer
    x = 154,487.79

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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.