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Finding the Fourth Proportional to 101,736.57, 152,636.62 and 61,254.46

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Solution

The fourth proportional to 101,736.57, 152,636.62 and 61,254.46 is: 91,900.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,736.57 : 152,636.62 = 61,254.46 : x
  2. Step 2: Convert to fraction form
    101,736.57/152,636.62 = 61,254.46/x
  3. Step 3: Cross multiply
    101,736.57x = 152,636.62 × 61,254.46
  4. Step 4: Simplify right side
    101,736.57x = 9,349,673,886.84
  5. Step 5: Solve for x
    x = 9,349,673,886.84/101,736.57
  6. Step 6: Final answer
    x = 91,900.81

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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.