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Finding the Fourth Proportional to 159,802.05, 239,640.78 and 59,907.74

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Solution

The fourth proportional to 159,802.05, 239,640.78 and 59,907.74 is: 89,838.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,802.05 : 239,640.78 = 59,907.74 : x
  2. Step 2: Convert to fraction form
    159,802.05/239,640.78 = 59,907.74/x
  3. Step 3: Cross multiply
    159,802.05x = 239,640.78 × 59,907.74
  4. Step 4: Simplify right side
    159,802.05x = 14,356,336,043.89
  5. Step 5: Solve for x
    x = 14,356,336,043.89/159,802.05
  6. Step 6: Final answer
    x = 89,838.25

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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.