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Finding the Fourth Proportional to 64,119.63, 88,509.77 and 57,393.39

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Solution

The fourth proportional to 64,119.63, 88,509.77 and 57,393.39 is: 79,224.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,119.63 : 88,509.77 = 57,393.39 : x
  2. Step 2: Convert to fraction form
    64,119.63/88,509.77 = 57,393.39/x
  3. Step 3: Cross multiply
    64,119.63x = 88,509.77 × 57,393.39
  4. Step 4: Simplify right side
    64,119.63x = 5,079,875,748.42
  5. Step 5: Solve for x
    x = 5,079,875,748.42/64,119.63
  6. Step 6: Final answer
    x = 79,224.97

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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.