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Finding the Fourth Proportional to 238,438.55, 357,602.34 and 88,749.35

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Solution

The fourth proportional to 238,438.55, 357,602.34 and 88,749.35 is: 133,103.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,438.55 : 357,602.34 = 88,749.35 : x
  2. Step 2: Convert to fraction form
    238,438.55/357,602.34 = 88,749.35/x
  3. Step 3: Cross multiply
    238,438.55x = 357,602.34 × 88,749.35
  4. Step 4: Simplify right side
    238,438.55x = 31,736,975,233.48
  5. Step 5: Solve for x
    x = 31,736,975,233.48/238,438.55
  6. Step 6: Final answer
    x = 133,103.37

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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.