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Finding the Fourth Proportional to 162,600.40, 243,827.70 and 73,808.20

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Solution

The fourth proportional to 162,600.40, 243,827.70 and 73,808.20 is: 110,679.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,600.40 : 243,827.70 = 73,808.20 : x
  2. Step 2: Convert to fraction form
    162,600.40/243,827.70 = 73,808.20/x
  3. Step 3: Cross multiply
    162,600.40x = 243,827.70 × 73,808.20
  4. Step 4: Simplify right side
    162,600.40x = 17,996,483,647.14
  5. Step 5: Solve for x
    x = 17,996,483,647.14/162,600.40
  6. Step 6: Final answer
    x = 110,679.21

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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.