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Finding the Fourth Proportional to 239,371.60, 359,110.05 and 70,905.10

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Solution

The fourth proportional to 239,371.60, 359,110.05 and 70,905.10 is: 106,373.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,371.60 : 359,110.05 = 70,905.10 : x
  2. Step 2: Convert to fraction form
    239,371.60/359,110.05 = 70,905.10/x
  3. Step 3: Cross multiply
    239,371.60x = 359,110.05 × 70,905.10
  4. Step 4: Simplify right side
    239,371.60x = 25,462,734,006.26
  5. Step 5: Solve for x
    x = 25,462,734,006.26/239,371.60
  6. Step 6: Final answer
    x = 106,373.25

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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.