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Finding the Fourth Proportional to 91,859.84, 137,811.48 and 32,700.56

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Solution

The fourth proportional to 91,859.84, 137,811.48 and 32,700.56 is: 49,058.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,859.84 : 137,811.48 = 32,700.56 : x
  2. Step 2: Convert to fraction form
    91,859.84/137,811.48 = 32,700.56/x
  3. Step 3: Cross multiply
    91,859.84x = 137,811.48 × 32,700.56
  4. Step 4: Simplify right side
    91,859.84x = 4,506,512,570.43
  5. Step 5: Solve for x
    x = 4,506,512,570.43/91,859.84
  6. Step 6: Final answer
    x = 49,058.57

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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.