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Finding the Fourth Proportional to 207,250.34, 310,904.70 and 72,294.72

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Solution

The fourth proportional to 207,250.34, 310,904.70 and 72,294.72 is: 108,452.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,250.34 : 310,904.70 = 72,294.72 : x
  2. Step 2: Convert to fraction form
    207,250.34/310,904.70 = 72,294.72/x
  3. Step 3: Cross multiply
    207,250.34x = 310,904.70 × 72,294.72
  4. Step 4: Simplify right side
    207,250.34x = 22,476,768,233.18
  5. Step 5: Solve for x
    x = 22,476,768,233.18/207,250.34
  6. Step 6: Final answer
    x = 108,452.26

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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.