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Finding the Fourth Proportional to 73,434.81, 101,339.69 and 41,603.64

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Solution

The fourth proportional to 73,434.81, 101,339.69 and 41,603.64 is: 57,412.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,434.81 : 101,339.69 = 41,603.64 : x
  2. Step 2: Convert to fraction form
    73,434.81/101,339.69 = 41,603.64/x
  3. Step 3: Cross multiply
    73,434.81x = 101,339.69 × 41,603.64
  4. Step 4: Simplify right side
    73,434.81x = 4,216,099,392.43
  5. Step 5: Solve for x
    x = 4,216,099,392.43/73,434.81
  6. Step 6: Final answer
    x = 57,412.82

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1.5x scale

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.