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Finding the Fourth Proportional to 472,723.49, 709,087.85 and 117,737.53

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Solution

The fourth proportional to 472,723.49, 709,087.85 and 117,737.53 is: 176,606.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,723.49 : 709,087.85 = 117,737.53 : x
  2. Step 2: Convert to fraction form
    472,723.49/709,087.85 = 117,737.53/x
  3. Step 3: Cross multiply
    472,723.49x = 709,087.85 × 117,737.53
  4. Step 4: Simplify right side
    472,723.49x = 83,486,252,012.01
  5. Step 5: Solve for x
    x = 83,486,252,012.01/472,723.49
  6. Step 6: Final answer
    x = 176,606.95

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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.