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Finding the Fourth Proportional to 91,862.94, 137,666.10 and 49,652.04

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Solution

The fourth proportional to 91,862.94, 137,666.10 and 49,652.04 is: 74,408.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,862.94 : 137,666.10 = 49,652.04 : x
  2. Step 2: Convert to fraction form
    91,862.94/137,666.10 = 49,652.04/x
  3. Step 3: Cross multiply
    91,862.94x = 137,666.10 × 49,652.04
  4. Step 4: Simplify right side
    91,862.94x = 6,835,402,703.84
  5. Step 5: Solve for x
    x = 6,835,402,703.84/91,862.94
  6. Step 6: Final answer
    x = 74,408.71

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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.