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Finding the Fourth Proportional to 239,427.01, 359,090.07 and 70,948.81

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Solution

The fourth proportional to 239,427.01, 359,090.07 and 70,948.81 is: 106,408.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,427.01 : 359,090.07 = 70,948.81 : x
  2. Step 2: Convert to fraction form
    239,427.01/359,090.07 = 70,948.81/x
  3. Step 3: Cross multiply
    239,427.01x = 359,090.07 × 70,948.81
  4. Step 4: Simplify right side
    239,427.01x = 25,477,013,149.32
  5. Step 5: Solve for x
    x = 25,477,013,149.32/239,427.01
  6. Step 6: Final answer
    x = 106,408.27

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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.