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Finding the Fourth Proportional to 224,329.94, 336,368.74 and 74,490.04

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Solution

The fourth proportional to 224,329.94, 336,368.74 and 74,490.04 is: 111,693.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,329.94 : 336,368.74 = 74,490.04 : x
  2. Step 2: Convert to fraction form
    224,329.94/336,368.74 = 74,490.04/x
  3. Step 3: Cross multiply
    224,329.94x = 336,368.74 × 74,490.04
  4. Step 4: Simplify right side
    224,329.94x = 25,056,121,831.38
  5. Step 5: Solve for x
    x = 25,056,121,831.38/224,329.94
  6. Step 6: Final answer
    x = 111,693.17

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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.