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Finding the Fourth Proportional to 113,600.30, 170,400.45 and 96,104.30

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Solution

The fourth proportional to 113,600.30, 170,400.45 and 96,104.30 is: 144,156.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,600.30 : 170,400.45 = 96,104.30 : x
  2. Step 2: Convert to fraction form
    113,600.30/170,400.45 = 96,104.30/x
  3. Step 3: Cross multiply
    113,600.30x = 170,400.45 × 96,104.30
  4. Step 4: Simplify right side
    113,600.30x = 16,376,215,966.94
  5. Step 5: Solve for x
    x = 16,376,215,966.94/113,600.30
  6. Step 6: Final answer
    x = 144,156.45

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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.