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Finding the Fourth Proportional to 97,752.48, 134,891.64 and 57,467.94

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Solution

The fourth proportional to 97,752.48, 134,891.64 and 57,467.94 is: 79,301.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,752.48 : 134,891.64 = 57,467.94 : x
  2. Step 2: Convert to fraction form
    97,752.48/134,891.64 = 57,467.94/x
  3. Step 3: Cross multiply
    97,752.48x = 134,891.64 × 57,467.94
  4. Step 4: Simplify right side
    97,752.48x = 7,751,944,674.02
  5. Step 5: Solve for x
    x = 7,751,944,674.02/97,752.48
  6. Step 6: Final answer
    x = 79,301.77

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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.