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Finding the Fourth Proportional to 64,140.98, 95,741.74 and 56,565.92

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Solution

The fourth proportional to 64,140.98, 95,741.74 and 56,565.92 is: 84,434.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,140.98 : 95,741.74 = 56,565.92 : x
  2. Step 2: Convert to fraction form
    64,140.98/95,741.74 = 56,565.92/x
  3. Step 3: Cross multiply
    64,140.98x = 95,741.74 × 56,565.92
  4. Step 4: Simplify right side
    64,140.98x = 5,415,719,605.50
  5. Step 5: Solve for x
    x = 5,415,719,605.50/64,140.98
  6. Step 6: Final answer
    x = 84,434.63

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.