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Finding the Fourth Proportional to 91,102.94, 136,696.62 and 34,924.28

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Solution

The fourth proportional to 91,102.94, 136,696.62 and 34,924.28 is: 52,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,102.94 : 136,696.62 = 34,924.28 : x
  2. Step 2: Convert to fraction form
    91,102.94/136,696.62 = 34,924.28/x
  3. Step 3: Cross multiply
    91,102.94x = 136,696.62 × 34,924.28
  4. Step 4: Simplify right side
    91,102.94x = 4,774,031,031.93
  5. Step 5: Solve for x
    x = 4,774,031,031.93/91,102.94
  6. Step 6: Final answer
    x = 52,402.60

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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.