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Finding the Fourth Proportional to 72,058.64, 99,360.03 and 46,531.49

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Solution

The fourth proportional to 72,058.64, 99,360.03 and 46,531.49 is: 64,161.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,058.64 : 99,360.03 = 46,531.49 : x
  2. Step 2: Convert to fraction form
    72,058.64/99,360.03 = 46,531.49/x
  3. Step 3: Cross multiply
    72,058.64x = 99,360.03 × 46,531.49
  4. Step 4: Simplify right side
    72,058.64x = 4,623,369,745.54
  5. Step 5: Solve for x
    x = 4,623,369,745.54/72,058.64
  6. Step 6: Final answer
    x = 64,161.22

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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.