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Finding the Fourth Proportional to 111,093.96, 166,681.98 and 51,948.84

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Solution

The fourth proportional to 111,093.96, 166,681.98 and 51,948.84 is: 77,942.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,093.96 : 166,681.98 = 51,948.84 : x
  2. Step 2: Convert to fraction form
    111,093.96/166,681.98 = 51,948.84/x
  3. Step 3: Cross multiply
    111,093.96x = 166,681.98 × 51,948.84
  4. Step 4: Simplify right side
    111,093.96x = 8,658,935,509.90
  5. Step 5: Solve for x
    x = 8,658,935,509.90/111,093.96
  6. Step 6: Final answer
    x = 77,942.45

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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.