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Finding the Fourth Proportional to 239,706.09, 359,465.67 and 89,864.70

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Solution

The fourth proportional to 239,706.09, 359,465.67 and 89,864.70 is: 134,762.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,706.09 : 359,465.67 = 89,864.70 : x
  2. Step 2: Convert to fraction form
    239,706.09/359,465.67 = 89,864.70/x
  3. Step 3: Cross multiply
    239,706.09x = 359,465.67 × 89,864.70
  4. Step 4: Simplify right side
    239,706.09x = 32,303,274,594.85
  5. Step 5: Solve for x
    x = 32,303,274,594.85/239,706.09
  6. Step 6: Final answer
    x = 134,762.01

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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.