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Finding the Fourth Proportional to 73,521.84, 110,266.08 and 20,930.16

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Solution

The fourth proportional to 73,521.84, 110,266.08 and 20,930.16 is: 31,390.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,521.84 : 110,266.08 = 20,930.16 : x
  2. Step 2: Convert to fraction form
    73,521.84/110,266.08 = 20,930.16/x
  3. Step 3: Cross multiply
    73,521.84x = 110,266.08 × 20,930.16
  4. Step 4: Simplify right side
    73,521.84x = 2,307,886,696.97
  5. Step 5: Solve for x
    x = 2,307,886,696.97/73,521.84
  6. Step 6: Final answer
    x = 31,390.49

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1.5x scale

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.