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Finding the Fourth Proportional to 265,929.50, 398,807.64 and 88,388.84

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Solution

The fourth proportional to 265,929.50, 398,807.64 and 88,388.84 is: 132,554.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,929.50 : 398,807.64 = 88,388.84 : x
  2. Step 2: Convert to fraction form
    265,929.50/398,807.64 = 88,388.84/x
  3. Step 3: Cross multiply
    265,929.50x = 398,807.64 × 88,388.84
  4. Step 4: Simplify right side
    265,929.50x = 35,250,142,688.70
  5. Step 5: Solve for x
    x = 35,250,142,688.70/265,929.50
  6. Step 6: Final answer
    x = 132,554.47

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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.