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Finding the Fourth Proportional to 73,703.39, 101,707.65 and 41,868.77

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Solution

The fourth proportional to 73,703.39, 101,707.65 and 41,868.77 is: 57,777.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,703.39 : 101,707.65 = 41,868.77 : x
  2. Step 2: Convert to fraction form
    73,703.39/101,707.65 = 41,868.77/x
  3. Step 3: Cross multiply
    73,703.39x = 101,707.65 × 41,868.77
  4. Step 4: Simplify right side
    73,703.39x = 4,258,373,696.55
  5. Step 5: Solve for x
    x = 4,258,373,696.55/73,703.39
  6. Step 6: Final answer
    x = 57,777.18

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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.