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Finding the Fourth Proportional to 165,624.57, 248,384.56 and 53,279.74

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Solution

The fourth proportional to 165,624.57, 248,384.56 and 53,279.74 is: 79,902.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,624.57 : 248,384.56 = 53,279.74 : x
  2. Step 2: Convert to fraction form
    165,624.57/248,384.56 = 53,279.74/x
  3. Step 3: Cross multiply
    165,624.57x = 248,384.56 × 53,279.74
  4. Step 4: Simplify right side
    165,624.57x = 13,233,864,688.17
  5. Step 5: Solve for x
    x = 13,233,864,688.17/165,624.57
  6. Step 6: Final answer
    x = 79,902.79

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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.