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Finding the Fourth Proportional to 201,218.40, 277,663.32 and 110,573.28

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Solution

The fourth proportional to 201,218.40, 277,663.32 and 110,573.28 is: 152,581.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,218.40 : 277,663.32 = 110,573.28 : x
  2. Step 2: Convert to fraction form
    201,218.40/277,663.32 = 110,573.28/x
  3. Step 3: Cross multiply
    201,218.40x = 277,663.32 × 110,573.28
  4. Step 4: Simplify right side
    201,218.40x = 30,702,144,028.09
  5. Step 5: Solve for x
    x = 30,702,144,028.09/201,218.40
  6. Step 6: Final answer
    x = 152,581.20

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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.