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Finding the Fourth Proportional to 84,058.80, 115,997.40 and 46,330.80

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Solution

The fourth proportional to 84,058.80, 115,997.40 and 46,330.80 is: 63,934.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,058.80 : 115,997.40 = 46,330.80 : x
  2. Step 2: Convert to fraction form
    84,058.80/115,997.40 = 46,330.80/x
  3. Step 3: Cross multiply
    84,058.80x = 115,997.40 × 46,330.80
  4. Step 4: Simplify right side
    84,058.80x = 5,374,252,339.92
  5. Step 5: Solve for x
    x = 5,374,252,339.92/84,058.80
  6. Step 6: Final answer
    x = 63,934.44

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1.5x scale

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.