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Finding the Fourth Proportional to 84,060.88, 115,998.48 and 46,335.28

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Solution

The fourth proportional to 84,060.88, 115,998.48 and 46,335.28 is: 63,939.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,060.88 : 115,998.48 = 46,335.28 : x
  2. Step 2: Convert to fraction form
    84,060.88/115,998.48 = 46,335.28/x
  3. Step 3: Cross multiply
    84,060.88x = 115,998.48 × 46,335.28
  4. Step 4: Simplify right side
    84,060.88x = 5,374,822,050.37
  5. Step 5: Solve for x
    x = 5,374,822,050.37/84,060.88
  6. Step 6: Final answer
    x = 63,939.64

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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.