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Finding the Fourth Proportional to 114,292.21, 171,503.13 and 61,700.53

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Solution

The fourth proportional to 114,292.21, 171,503.13 and 61,700.53 is: 92,585.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,292.21 : 171,503.13 = 61,700.53 : x
  2. Step 2: Convert to fraction form
    114,292.21/171,503.13 = 61,700.53/x
  3. Step 3: Cross multiply
    114,292.21x = 171,503.13 × 61,700.53
  4. Step 4: Simplify right side
    114,292.21x = 10,581,834,017.66
  5. Step 5: Solve for x
    x = 10,581,834,017.66/114,292.21
  6. Step 6: Final answer
    x = 92,585.79

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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.