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Finding the Fourth Proportional to 113,160.83, 169,740.16 and 68,799.83

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Solution

The fourth proportional to 113,160.83, 169,740.16 and 68,799.83 is: 103,199.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,160.83 : 169,740.16 = 68,799.83 : x
  2. Step 2: Convert to fraction form
    113,160.83/169,740.16 = 68,799.83/x
  3. Step 3: Cross multiply
    113,160.83x = 169,740.16 × 68,799.83
  4. Step 4: Simplify right side
    113,160.83x = 11,678,092,959.47
  5. Step 5: Solve for x
    x = 11,678,092,959.47/113,160.83
  6. Step 6: Final answer
    x = 103,199.08

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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.