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Finding the Fourth Proportional to 236,737.67, 326,695.82 and 129,307.67

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Solution

The fourth proportional to 236,737.67, 326,695.82 and 129,307.67 is: 178,443.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,737.67 : 326,695.82 = 129,307.67 : x
  2. Step 2: Convert to fraction form
    236,737.67/326,695.82 = 129,307.67/x
  3. Step 3: Cross multiply
    236,737.67x = 326,695.82 × 129,307.67
  4. Step 4: Simplify right side
    236,737.67x = 42,244,276,422.95
  5. Step 5: Solve for x
    x = 42,244,276,422.95/236,737.67
  6. Step 6: Final answer
    x = 178,443.41

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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.