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Finding the Fourth Proportional to 169,967.78, 254,980.71 and 70,073.36

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Solution

The fourth proportional to 169,967.78, 254,980.71 and 70,073.36 is: 105,122.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,967.78 : 254,980.71 = 70,073.36 : x
  2. Step 2: Convert to fraction form
    169,967.78/254,980.71 = 70,073.36/x
  3. Step 3: Cross multiply
    169,967.78x = 254,980.71 × 70,073.36
  4. Step 4: Simplify right side
    169,967.78x = 17,867,355,084.89
  5. Step 5: Solve for x
    x = 17,867,355,084.89/169,967.78
  6. Step 6: Final answer
    x = 105,122.01

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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.