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Finding the Fourth Proportional to 91,101.94, 136,695.12 and 34,923.28

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Solution

The fourth proportional to 91,101.94, 136,695.12 and 34,923.28 is: 52,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,101.94 : 136,695.12 = 34,923.28 : x
  2. Step 2: Convert to fraction form
    91,101.94/136,695.12 = 34,923.28/x
  3. Step 3: Cross multiply
    91,101.94x = 136,695.12 × 34,923.28
  4. Step 4: Simplify right side
    91,101.94x = 4,773,841,950.39
  5. Step 5: Solve for x
    x = 4,773,841,950.39/91,101.94
  6. Step 6: Final answer
    x = 52,401.10

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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.