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Finding the Fourth Proportional to 162,573.40, 243,744.90 and 73,869.40

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Solution

The fourth proportional to 162,573.40, 243,744.90 and 73,869.40 is: 110,751.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,573.40 : 243,744.90 = 73,869.40 : x
  2. Step 2: Convert to fraction form
    162,573.40/243,744.90 = 73,869.40/x
  3. Step 3: Cross multiply
    162,573.40x = 243,744.90 × 73,869.40
  4. Step 4: Simplify right side
    162,573.40x = 18,005,289,516.06
  5. Step 5: Solve for x
    x = 18,005,289,516.06/162,573.40
  6. Step 6: Final answer
    x = 110,751.76

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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.