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Finding the Fourth Proportional to 169,901.02, 254,882.24 and 70,005.64

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Solution

The fourth proportional to 169,901.02, 254,882.24 and 70,005.64 is: 105,021.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,901.02 : 254,882.24 = 70,005.64 : x
  2. Step 2: Convert to fraction form
    169,901.02/254,882.24 = 70,005.64/x
  3. Step 3: Cross multiply
    169,901.02x = 254,882.24 × 70,005.64
  4. Step 4: Simplify right side
    169,901.02x = 17,843,194,335.83
  5. Step 5: Solve for x
    x = 17,843,194,335.83/169,901.02
  6. Step 6: Final answer
    x = 105,021.11

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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.