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Finding the Fourth Proportional to 157,757.39, 236,495.75 and 57,894.72

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Solution

The fourth proportional to 157,757.39, 236,495.75 and 57,894.72 is: 86,790.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,757.39 : 236,495.75 = 57,894.72 : x
  2. Step 2: Convert to fraction form
    157,757.39/236,495.75 = 57,894.72/x
  3. Step 3: Cross multiply
    157,757.39x = 236,495.75 × 57,894.72
  4. Step 4: Simplify right side
    157,757.39x = 13,691,854,937.97
  5. Step 5: Solve for x
    x = 13,691,854,937.97/157,757.39
  6. Step 6: Final answer
    x = 86,790.58

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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.