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Finding the Fourth Proportional to 362,111.70, 543,167.55 and 194,150.10

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Solution

The fourth proportional to 362,111.70, 543,167.55 and 194,150.10 is: 291,225.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,111.70 : 543,167.55 = 194,150.10 : x
  2. Step 2: Convert to fraction form
    362,111.70/543,167.55 = 194,150.10/x
  3. Step 3: Cross multiply
    362,111.70x = 543,167.55 × 194,150.10
  4. Step 4: Simplify right side
    362,111.70x = 105,456,034,149.26
  5. Step 5: Solve for x
    x = 105,456,034,149.26/362,111.70
  6. Step 6: Final answer
    x = 291,225.15

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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.