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Finding the Fourth Proportional to 224,260.51, 336,455.76 and 66,492.76

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Solution

The fourth proportional to 224,260.51, 336,455.76 and 66,492.76 is: 99,758.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,260.51 : 336,455.76 = 66,492.76 : x
  2. Step 2: Convert to fraction form
    224,260.51/336,455.76 = 66,492.76/x
  3. Step 3: Cross multiply
    224,260.51x = 336,455.76 × 66,492.76
  4. Step 4: Simplify right side
    224,260.51x = 22,371,872,100.30
  5. Step 5: Solve for x
    x = 22,371,872,100.30/224,260.51
  6. Step 6: Final answer
    x = 99,758.41

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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.