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Finding the Fourth Proportional to 115,523, 173,283.72 and 47,134.28

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Solution

The fourth proportional to 115,523, 173,283.72 and 47,134.28 is: 70,701.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,523 : 173,283.72 = 47,134.28 : x
  2. Step 2: Convert to fraction form
    115,523/173,283.72 = 47,134.28/x
  3. Step 3: Cross multiply
    115,523x = 173,283.72 × 47,134.28
  4. Step 4: Simplify right side
    115,523x = 8,167,603,377.92
  5. Step 5: Solve for x
    x = 8,167,603,377.92/115,523
  6. Step 6: Final answer
    x = 70,701.10

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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.