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Finding the Fourth Proportional to 162,655.80, 243,983.70 and 62,820.60

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Solution

The fourth proportional to 162,655.80, 243,983.70 and 62,820.60 is: 94,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,655.80 : 243,983.70 = 62,820.60 : x
  2. Step 2: Convert to fraction form
    162,655.80/243,983.70 = 62,820.60/x
  3. Step 3: Cross multiply
    162,655.80x = 243,983.70 × 62,820.60
  4. Step 4: Simplify right side
    162,655.80x = 15,327,202,424.22
  5. Step 5: Solve for x
    x = 15,327,202,424.22/162,655.80
  6. Step 6: Final answer
    x = 94,230.90

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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.