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Finding the Fourth Proportional to 239,000.55, 358,625.76 and 96,860.94

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Solution

The fourth proportional to 239,000.55, 358,625.76 and 96,860.94 is: 145,342.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,000.55 : 358,625.76 = 96,860.94 : x
  2. Step 2: Convert to fraction form
    239,000.55/358,625.76 = 96,860.94/x
  3. Step 3: Cross multiply
    239,000.55x = 358,625.76 × 96,860.94
  4. Step 4: Simplify right side
    239,000.55x = 34,736,828,221.81
  5. Step 5: Solve for x
    x = 34,736,828,221.81/239,000.55
  6. Step 6: Final answer
    x = 145,342.04

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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.