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Finding the Fourth Proportional to 162,007.70, 243,011.55 and 147,233.30

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Solution

The fourth proportional to 162,007.70, 243,011.55 and 147,233.30 is: 220,849.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,007.70 : 243,011.55 = 147,233.30 : x
  2. Step 2: Convert to fraction form
    162,007.70/243,011.55 = 147,233.30/x
  3. Step 3: Cross multiply
    162,007.70x = 243,011.55 × 147,233.30
  4. Step 4: Simplify right side
    162,007.70x = 35,779,392,444.62
  5. Step 5: Solve for x
    x = 35,779,392,444.62/162,007.70
  6. Step 6: Final answer
    x = 220,849.95

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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.