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Finding the Fourth Proportional to 113,192.56, 169,788.84 and 54,070.12

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Solution

The fourth proportional to 113,192.56, 169,788.84 and 54,070.12 is: 81,105.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,192.56 : 169,788.84 = 54,070.12 : x
  2. Step 2: Convert to fraction form
    113,192.56/169,788.84 = 54,070.12/x
  3. Step 3: Cross multiply
    113,192.56x = 169,788.84 × 54,070.12
  4. Step 4: Simplify right side
    113,192.56x = 9,180,502,953.46
  5. Step 5: Solve for x
    x = 9,180,502,953.46/113,192.56
  6. Step 6: Final answer
    x = 81,105.18

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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.