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Finding the Fourth Proportional to 224,638.72, 336,900.48 and 106,278.40

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Solution

The fourth proportional to 224,638.72, 336,900.48 and 106,278.40 is: 159,390.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,638.72 : 336,900.48 = 106,278.40 : x
  2. Step 2: Convert to fraction form
    224,638.72/336,900.48 = 106,278.40/x
  3. Step 3: Cross multiply
    224,638.72x = 336,900.48 × 106,278.40
  4. Step 4: Simplify right side
    224,638.72x = 35,805,243,973.63
  5. Step 5: Solve for x
    x = 35,805,243,973.63/224,638.72
  6. Step 6: Final answer
    x = 159,390.35

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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.