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Finding the Fourth Proportional to 201,400.76, 277,931.04 and 110,755.28

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Solution

The fourth proportional to 201,400.76, 277,931.04 and 110,755.28 is: 152,841.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,400.76 : 277,931.04 = 110,755.28 : x
  2. Step 2: Convert to fraction form
    201,400.76/277,931.04 = 110,755.28/x
  3. Step 3: Cross multiply
    201,400.76x = 277,931.04 × 110,755.28
  4. Step 4: Simplify right side
    201,400.76x = 30,782,330,155.89
  5. Step 5: Solve for x
    x = 30,782,330,155.89/201,400.76
  6. Step 6: Final answer
    x = 152,841.18

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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.