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Finding the Fourth Proportional to 153,372.85, 211,599.76 and 88,806.85

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Solution

The fourth proportional to 153,372.85, 211,599.76 and 88,806.85 is: 122,521.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,372.85 : 211,599.76 = 88,806.85 : x
  2. Step 2: Convert to fraction form
    153,372.85/211,599.76 = 88,806.85/x
  3. Step 3: Cross multiply
    153,372.85x = 211,599.76 × 88,806.85
  4. Step 4: Simplify right side
    153,372.85x = 18,791,508,146.36
  5. Step 5: Solve for x
    x = 18,791,508,146.36/153,372.85
  6. Step 6: Final answer
    x = 122,521.74

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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.