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Finding the Fourth Proportional to 239,706.34, 359,466.04 and 89,864.95

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Solution

The fourth proportional to 239,706.34, 359,466.04 and 89,864.95 is: 134,762.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.34 : 359,466.04 = 89,864.95 : x
  2. Step 2: Convert to fraction form
    239,706.34/359,466.04 = 89,864.95/x
  3. Step 3: Cross multiply
    239,706.34x = 359,466.04 × 89,864.95
  4. Step 4: Simplify right side
    239,706.34x = 32,303,397,711.30
  5. Step 5: Solve for x
    x = 32,303,397,711.30/239,706.34
  6. Step 6: Final answer
    x = 134,762.38

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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.