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Finding the Fourth Proportional to 295,543.16, 407,850.02 and 168,218.76

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Solution

The fourth proportional to 295,543.16, 407,850.02 and 168,218.76 is: 232,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,543.16 : 407,850.02 = 168,218.76 : x
  2. Step 2: Convert to fraction form
    295,543.16/407,850.02 = 168,218.76/x
  3. Step 3: Cross multiply
    295,543.16x = 407,850.02 × 168,218.76
  4. Step 4: Simplify right side
    295,543.16x = 68,608,024,630.38
  5. Step 5: Solve for x
    x = 68,608,024,630.38/295,543.16
  6. Step 6: Final answer
    x = 232,142.15

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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.