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Finding the Fourth Proportional to 162,066.30, 243,099.45 and 141,330.30

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Solution

The fourth proportional to 162,066.30, 243,099.45 and 141,330.30 is: 211,995.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,066.30 : 243,099.45 = 141,330.30 : x
  2. Step 2: Convert to fraction form
    162,066.30/243,099.45 = 141,330.30/x
  3. Step 3: Cross multiply
    162,066.30x = 243,099.45 × 141,330.30
  4. Step 4: Simplify right side
    162,066.30x = 34,357,318,198.34
  5. Step 5: Solve for x
    x = 34,357,318,198.34/162,066.30
  6. Step 6: Final answer
    x = 211,995.45

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Similar ratio
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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.