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Finding the Fourth Proportional to 97,453.74, 134,482.35 and 61,174.71

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Solution

The fourth proportional to 97,453.74, 134,482.35 and 61,174.71 is: 84,418.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,453.74 : 134,482.35 = 61,174.71 : x
  2. Step 2: Convert to fraction form
    97,453.74/134,482.35 = 61,174.71/x
  3. Step 3: Cross multiply
    97,453.74x = 134,482.35 × 61,174.71
  4. Step 4: Simplify right side
    97,453.74x = 8,226,918,761.37
  5. Step 5: Solve for x
    x = 8,226,918,761.37/97,453.74
  6. Step 6: Final answer
    x = 84,418.71

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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.