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Finding the Fourth Proportional to 173,084.76, 238,840.79 and 100,468.39

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Solution

The fourth proportional to 173,084.76, 238,840.79 and 100,468.39 is: 138,636.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,084.76 : 238,840.79 = 100,468.39 : x
  2. Step 2: Convert to fraction form
    173,084.76/238,840.79 = 100,468.39/x
  3. Step 3: Cross multiply
    173,084.76x = 238,840.79 × 100,468.39
  4. Step 4: Simplify right side
    173,084.76x = 23,995,949,073.99
  5. Step 5: Solve for x
    x = 23,995,949,073.99/173,084.76
  6. Step 6: Final answer
    x = 138,636.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.