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Finding the Fourth Proportional to 169,802.44, 254,757 and 70,009.60

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Solution

The fourth proportional to 169,802.44, 254,757 and 70,009.60 is: 105,036.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,802.44 : 254,757 = 70,009.60 : x
  2. Step 2: Convert to fraction form
    169,802.44/254,757 = 70,009.60/x
  3. Step 3: Cross multiply
    169,802.44x = 254,757 × 70,009.60
  4. Step 4: Simplify right side
    169,802.44x = 17,835,435,667.20
  5. Step 5: Solve for x
    x = 17,835,435,667.20/169,802.44
  6. Step 6: Final answer
    x = 105,036.39

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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.