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Finding the Fourth Proportional to 267,071.79, 368,559.18 and 146,220.90

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Solution

The fourth proportional to 267,071.79, 368,559.18 and 146,220.90 is: 201,784.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,071.79 : 368,559.18 = 146,220.90 : x
  2. Step 2: Convert to fraction form
    267,071.79/368,559.18 = 146,220.90/x
  3. Step 3: Cross multiply
    267,071.79x = 368,559.18 × 146,220.90
  4. Step 4: Simplify right side
    267,071.79x = 53,891,055,002.86
  5. Step 5: Solve for x
    x = 53,891,055,002.86/267,071.79
  6. Step 6: Final answer
    x = 201,784.90

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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.