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Finding the Fourth Proportional to 101,998.08, 152,904.96 and 36,318.72

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Solution

The fourth proportional to 101,998.08, 152,904.96 and 36,318.72 is: 54,445.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,998.08 : 152,904.96 = 36,318.72 : x
  2. Step 2: Convert to fraction form
    101,998.08/152,904.96 = 36,318.72/x
  3. Step 3: Cross multiply
    101,998.08x = 152,904.96 × 36,318.72
  4. Step 4: Simplify right side
    101,998.08x = 5,553,312,428.85
  5. Step 5: Solve for x
    x = 5,553,312,428.85/101,998.08
  6. Step 6: Final answer
    x = 54,445.26

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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.