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Finding the Fourth Proportional to 125,674.18, 188,506.35 and 42,568.18

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Solution

The fourth proportional to 125,674.18, 188,506.35 and 42,568.18 is: 63,850.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,674.18 : 188,506.35 = 42,568.18 : x
  2. Step 2: Convert to fraction form
    125,674.18/188,506.35 = 42,568.18/x
  3. Step 3: Cross multiply
    125,674.18x = 188,506.35 × 42,568.18
  4. Step 4: Simplify right side
    125,674.18x = 8,024,372,237.94
  5. Step 5: Solve for x
    x = 8,024,372,237.94/125,674.18
  6. Step 6: Final answer
    x = 63,850.60

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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.