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Finding the Fourth Proportional to 165,637.62, 248,513.22 and 70,828.74

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Solution

The fourth proportional to 165,637.62, 248,513.22 and 70,828.74 is: 106,267.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,637.62 : 248,513.22 = 70,828.74 : x
  2. Step 2: Convert to fraction form
    165,637.62/248,513.22 = 70,828.74/x
  3. Step 3: Cross multiply
    165,637.62x = 248,513.22 × 70,828.74
  4. Step 4: Simplify right side
    165,637.62x = 17,601,878,245.94
  5. Step 5: Solve for x
    x = 17,601,878,245.94/165,637.62
  6. Step 6: Final answer
    x = 106,267.39

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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.