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Finding the Fourth Proportional to 335,372.28, 503,058.80 and 86,054.28

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Solution

The fourth proportional to 335,372.28, 503,058.80 and 86,054.28 is: 129,081.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,372.28 : 503,058.80 = 86,054.28 : x
  2. Step 2: Convert to fraction form
    335,372.28/503,058.80 = 86,054.28/x
  3. Step 3: Cross multiply
    335,372.28x = 503,058.80 × 86,054.28
  4. Step 4: Simplify right side
    335,372.28x = 43,290,362,831.66
  5. Step 5: Solve for x
    x = 43,290,362,831.66/335,372.28
  6. Step 6: Final answer
    x = 129,081.52

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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.