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Finding the Fourth Proportional to 177,998.94, 267,041.25 and 72,818.19

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Solution

The fourth proportional to 177,998.94, 267,041.25 and 72,818.19 is: 109,244.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,998.94 : 267,041.25 = 72,818.19 : x
  2. Step 2: Convert to fraction form
    177,998.94/267,041.25 = 72,818.19/x
  3. Step 3: Cross multiply
    177,998.94x = 267,041.25 × 72,818.19
  4. Step 4: Simplify right side
    177,998.94x = 19,445,460,480.34
  5. Step 5: Solve for x
    x = 19,445,460,480.34/177,998.94
  6. Step 6: Final answer
    x = 109,244.81

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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.