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Finding the Fourth Proportional to 201,451.77, 277,997.56 and 110,807.71

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Solution

The fourth proportional to 201,451.77, 277,997.56 and 110,807.71 is: 152,911.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,451.77 : 277,997.56 = 110,807.71 : x
  2. Step 2: Convert to fraction form
    201,451.77/277,997.56 = 110,807.71/x
  3. Step 3: Cross multiply
    201,451.77x = 277,997.56 × 110,807.71
  4. Step 4: Simplify right side
    201,451.77x = 30,804,273,009.19
  5. Step 5: Solve for x
    x = 30,804,273,009.19/201,451.77
  6. Step 6: Final answer
    x = 152,911.40

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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.