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Finding the Fourth Proportional to 88,940.49, 122,802.06 and 54,995.52

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Solution

The fourth proportional to 88,940.49, 122,802.06 and 54,995.52 is: 75,933.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,940.49 : 122,802.06 = 54,995.52 : x
  2. Step 2: Convert to fraction form
    88,940.49/122,802.06 = 54,995.52/x
  3. Step 3: Cross multiply
    88,940.49x = 122,802.06 × 54,995.52
  4. Step 4: Simplify right side
    88,940.49x = 6,753,563,146.77
  5. Step 5: Solve for x
    x = 6,753,563,146.77/88,940.49
  6. Step 6: Final answer
    x = 75,933.51

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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.