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Finding the Fourth Proportional to 73,781.16, 101,807.73 and 41,946.54

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Solution

The fourth proportional to 73,781.16, 101,807.73 and 41,946.54 is: 57,880.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,781.16 : 101,807.73 = 41,946.54 : x
  2. Step 2: Convert to fraction form
    73,781.16/101,807.73 = 41,946.54/x
  3. Step 3: Cross multiply
    73,781.16x = 101,807.73 × 41,946.54
  4. Step 4: Simplify right side
    73,781.16x = 4,270,482,018.75
  5. Step 5: Solve for x
    x = 4,270,482,018.75/73,781.16
  6. Step 6: Final answer
    x = 57,880.39

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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.