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Finding the Fourth Proportional to 162,436.10, 243,654.15 and 123,070.10

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Solution

The fourth proportional to 162,436.10, 243,654.15 and 123,070.10 is: 184,605.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,436.10 : 243,654.15 = 123,070.10 : x
  2. Step 2: Convert to fraction form
    162,436.10/243,654.15 = 123,070.10/x
  3. Step 3: Cross multiply
    162,436.10x = 243,654.15 × 123,070.10
  4. Step 4: Simplify right side
    162,436.10x = 29,986,540,605.92
  5. Step 5: Solve for x
    x = 29,986,540,605.92/162,436.10
  6. Step 6: Final answer
    x = 184,605.15

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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.