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Finding the Fourth Proportional to 169,926.54, 254,920.59 and 70,031.13

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Solution

The fourth proportional to 169,926.54, 254,920.59 and 70,031.13 is: 105,059.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,926.54 : 254,920.59 = 70,031.13 : x
  2. Step 2: Convert to fraction form
    169,926.54/254,920.59 = 70,031.13/x
  3. Step 3: Cross multiply
    169,926.54x = 254,920.59 × 70,031.13
  4. Step 4: Simplify right side
    169,926.54x = 17,852,376,977.97
  5. Step 5: Solve for x
    x = 17,852,376,977.97/169,926.54
  6. Step 6: Final answer
    x = 105,059.38

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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.