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Finding the Fourth Proportional to 239,258.79, 358,889.54 and 61,753.66

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Solution

The fourth proportional to 239,258.79, 358,889.54 and 61,753.66 is: 92,630.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,258.79 : 358,889.54 = 61,753.66 : x
  2. Step 2: Convert to fraction form
    239,258.79/358,889.54 = 61,753.66/x
  3. Step 3: Cross multiply
    239,258.79x = 358,889.54 × 61,753.66
  4. Step 4: Simplify right side
    239,258.79x = 22,162,742,321.95
  5. Step 5: Solve for x
    x = 22,162,742,321.95/239,258.79
  6. Step 6: Final answer
    x = 92,630.84

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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.