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Finding the Fourth Proportional to 201,403.32, 277,931.03 and 110,759.28

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Solution

The fourth proportional to 201,403.32, 277,931.03 and 110,759.28 is: 152,844.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,403.32 : 277,931.03 = 110,759.28 : x
  2. Step 2: Convert to fraction form
    201,403.32/277,931.03 = 110,759.28/x
  3. Step 3: Cross multiply
    201,403.32x = 277,931.03 × 110,759.28
  4. Step 4: Simplify right side
    201,403.32x = 30,783,440,772.46
  5. Step 5: Solve for x
    x = 30,783,440,772.46/201,403.32
  6. Step 6: Final answer
    x = 152,844.75

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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.