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Finding the Fourth Proportional to 113,192.30, 169,819.12 and 100,798.36

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Solution

The fourth proportional to 113,192.30, 169,819.12 and 100,798.36 is: 151,224.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,192.30 : 169,819.12 = 100,798.36 : x
  2. Step 2: Convert to fraction form
    113,192.30/169,819.12 = 100,798.36/x
  3. Step 3: Cross multiply
    113,192.30x = 169,819.12 × 100,798.36
  4. Step 4: Simplify right side
    113,192.30x = 17,117,488,792.64
  5. Step 5: Solve for x
    x = 17,117,488,792.64/113,192.30
  6. Step 6: Final answer
    x = 151,224.85

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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.