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Finding the Fourth Proportional to 136,360.64, 204,450.72 and 65,293.76

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Solution

The fourth proportional to 136,360.64, 204,450.72 and 65,293.76 is: 97,897.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,360.64 : 204,450.72 = 65,293.76 : x
  2. Step 2: Convert to fraction form
    136,360.64/204,450.72 = 65,293.76/x
  3. Step 3: Cross multiply
    136,360.64x = 204,450.72 × 65,293.76
  4. Step 4: Simplify right side
    136,360.64x = 13,349,356,243.51
  5. Step 5: Solve for x
    x = 13,349,356,243.51/136,360.64
  6. Step 6: Final answer
    x = 97,897.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.