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Finding the Fourth Proportional to 114,803.67, 158,430.95 and 63,122.95

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Solution

The fourth proportional to 114,803.67, 158,430.95 and 63,122.95 is: 87,110.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,803.67 : 158,430.95 = 63,122.95 : x
  2. Step 2: Convert to fraction form
    114,803.67/158,430.95 = 63,122.95/x
  3. Step 3: Cross multiply
    114,803.67x = 158,430.95 × 63,122.95
  4. Step 4: Simplify right side
    114,803.67x = 10,000,628,935.30
  5. Step 5: Solve for x
    x = 10,000,628,935.30/114,803.67
  6. Step 6: Final answer
    x = 87,110.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.