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Finding the Fourth Proportional to 74,641.16, 103,000.12 and 41,107.16

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Solution

The fourth proportional to 74,641.16, 103,000.12 and 41,107.16 is: 56,725.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,641.16 : 103,000.12 = 41,107.16 : x
  2. Step 2: Convert to fraction form
    74,641.16/103,000.12 = 41,107.16/x
  3. Step 3: Cross multiply
    74,641.16x = 103,000.12 × 41,107.16
  4. Step 4: Simplify right side
    74,641.16x = 4,234,041,795.09
  5. Step 5: Solve for x
    x = 4,234,041,795.09/74,641.16
  6. Step 6: Final answer
    x = 56,725.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.