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Finding the Fourth Proportional to 64,151.74, 88,531.29 and 35,857.50

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Solution

The fourth proportional to 64,151.74, 88,531.29 and 35,857.50 is: 49,484.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,151.74 : 88,531.29 = 35,857.50 : x
  2. Step 2: Convert to fraction form
    64,151.74/88,531.29 = 35,857.50/x
  3. Step 3: Cross multiply
    64,151.74x = 88,531.29 × 35,857.50
  4. Step 4: Simplify right side
    64,151.74x = 3,174,510,731.18
  5. Step 5: Solve for x
    x = 3,174,510,731.18/64,151.74
  6. Step 6: Final answer
    x = 49,484.41

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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.