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Finding the Fourth Proportional to 169,911.54, 254,897.96 and 70,016.13

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Solution

The fourth proportional to 169,911.54, 254,897.96 and 70,016.13 is: 105,036.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,911.54 : 254,897.96 = 70,016.13 : x
  2. Step 2: Convert to fraction form
    169,911.54/254,897.96 = 70,016.13/x
  3. Step 3: Cross multiply
    169,911.54x = 254,897.96 × 70,016.13
  4. Step 4: Simplify right side
    169,911.54x = 17,846,968,354.01
  5. Step 5: Solve for x
    x = 17,846,968,354.01/169,911.54
  6. Step 6: Final answer
    x = 105,036.82

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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.