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Finding the Fourth Proportional to 265,134.72, 365,746.44 and 157,628.28

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Solution

The fourth proportional to 265,134.72, 365,746.44 and 157,628.28 is: 217,444.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,134.72 : 365,746.44 = 157,628.28 : x
  2. Step 2: Convert to fraction form
    265,134.72/365,746.44 = 157,628.28/x
  3. Step 3: Cross multiply
    265,134.72x = 365,746.44 × 157,628.28
  4. Step 4: Simplify right side
    265,134.72x = 57,651,982,253.32
  5. Step 5: Solve for x
    x = 57,651,982,253.32/265,134.72
  6. Step 6: Final answer
    x = 217,444.11

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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.