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Finding the Fourth Proportional to 160,388.55, 240,103.50 and 97,016.89

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Solution

The fourth proportional to 160,388.55, 240,103.50 and 97,016.89 is: 145,235.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,388.55 : 240,103.50 = 97,016.89 : x
  2. Step 2: Convert to fraction form
    160,388.55/240,103.50 = 97,016.89/x
  3. Step 3: Cross multiply
    160,388.55x = 240,103.50 × 97,016.89
  4. Step 4: Simplify right side
    160,388.55x = 23,294,094,848.12
  5. Step 5: Solve for x
    x = 23,294,094,848.12/160,388.55
  6. Step 6: Final answer
    x = 145,235.40

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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.