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Finding the Fourth Proportional to 224,688.88, 336,920.44 and 74,876.68

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Solution

The fourth proportional to 224,688.88, 336,920.44 and 74,876.68 is: 112,277.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,688.88 : 336,920.44 = 74,876.68 : x
  2. Step 2: Convert to fraction form
    224,688.88/336,920.44 = 74,876.68/x
  3. Step 3: Cross multiply
    224,688.88x = 336,920.44 × 74,876.68
  4. Step 4: Simplify right side
    224,688.88x = 25,227,483,971.34
  5. Step 5: Solve for x
    x = 25,227,483,971.34/224,688.88
  6. Step 6: Final answer
    x = 112,277.40

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1.5x scale

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.