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Finding the Fourth Proportional to 162,493.80, 243,740.70 and 151,996.20

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Solution

The fourth proportional to 162,493.80, 243,740.70 and 151,996.20 is: 227,994.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,493.80 : 243,740.70 = 151,996.20 : x
  2. Step 2: Convert to fraction form
    162,493.80/243,740.70 = 151,996.20/x
  3. Step 3: Cross multiply
    162,493.80x = 243,740.70 × 151,996.20
  4. Step 4: Simplify right side
    162,493.80x = 37,047,660,185.34
  5. Step 5: Solve for x
    x = 37,047,660,185.34/162,493.80
  6. Step 6: Final answer
    x = 227,994.30

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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.