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Finding the Fourth Proportional to 112,712.76, 169,095.06 and 33,828.48

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Solution

The fourth proportional to 112,712.76, 169,095.06 and 33,828.48 is: 50,750.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,712.76 : 169,095.06 = 33,828.48 : x
  2. Step 2: Convert to fraction form
    112,712.76/169,095.06 = 33,828.48/x
  3. Step 3: Cross multiply
    112,712.76x = 169,095.06 × 33,828.48
  4. Step 4: Simplify right side
    112,712.76x = 5,720,228,855.31
  5. Step 5: Solve for x
    x = 5,720,228,855.31/112,712.76
  6. Step 6: Final answer
    x = 50,750.50

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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.