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Finding the Fourth Proportional to 224,687.95, 310,071.71 and 122,716.35

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Solution

The fourth proportional to 224,687.95, 310,071.71 and 122,716.35 is: 169,349.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,687.95 : 310,071.71 = 122,716.35 : x
  2. Step 2: Convert to fraction form
    224,687.95/310,071.71 = 122,716.35/x
  3. Step 3: Cross multiply
    224,687.95x = 310,071.71 × 122,716.35
  4. Step 4: Simplify right side
    224,687.95x = 38,050,868,796.25
  5. Step 5: Solve for x
    x = 38,050,868,796.25/224,687.95
  6. Step 6: Final answer
    x = 169,349.84

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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.