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Finding the Fourth Proportional to 265,091.48, 365,705.70 and 157,600.52

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Solution

The fourth proportional to 265,091.48, 365,705.70 and 157,600.52 is: 217,417.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,091.48 : 365,705.70 = 157,600.52 : x
  2. Step 2: Convert to fraction form
    265,091.48/365,705.70 = 157,600.52/x
  3. Step 3: Cross multiply
    265,091.48x = 365,705.70 × 157,600.52
  4. Step 4: Simplify right side
    265,091.48x = 57,635,408,486.96
  5. Step 5: Solve for x
    x = 57,635,408,486.96/265,091.48
  6. Step 6: Final answer
    x = 217,417.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.