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Finding the Fourth Proportional to 73,403.33, 101,342.09 and 65,836.31

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Solution

The fourth proportional to 73,403.33, 101,342.09 and 65,836.31 is: 90,894.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,403.33 : 101,342.09 = 65,836.31 : x
  2. Step 2: Convert to fraction form
    73,403.33/101,342.09 = 65,836.31/x
  3. Step 3: Cross multiply
    73,403.33x = 101,342.09 × 65,836.31
  4. Step 4: Simplify right side
    73,403.33x = 6,671,988,924.11
  5. Step 5: Solve for x
    x = 6,671,988,924.11/73,403.33
  6. Step 6: Final answer
    x = 90,894.91

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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.