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Finding the Fourth Proportional to 262,176.93, 393,016.23 and 167,140.40

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Solution

The fourth proportional to 262,176.93, 393,016.23 and 167,140.40 is: 250,551.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,176.93 : 393,016.23 = 167,140.40 : x
  2. Step 2: Convert to fraction form
    262,176.93/393,016.23 = 167,140.40/x
  3. Step 3: Cross multiply
    262,176.93x = 393,016.23 × 167,140.40
  4. Step 4: Simplify right side
    262,176.93x = 65,688,887,923.61
  5. Step 5: Solve for x
    x = 65,688,887,923.61/262,176.93
  6. Step 6: Final answer
    x = 250,551.75

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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.