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Finding the Fourth Proportional to 141,311.95, 211,995.02 and 46,569.49

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Solution

The fourth proportional to 141,311.95, 211,995.02 and 46,569.49 is: 69,863.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,311.95 : 211,995.02 = 46,569.49 : x
  2. Step 2: Convert to fraction form
    141,311.95/211,995.02 = 46,569.49/x
  3. Step 3: Cross multiply
    141,311.95x = 211,995.02 × 46,569.49
  4. Step 4: Simplify right side
    141,311.95x = 9,872,499,731.09
  5. Step 5: Solve for x
    x = 9,872,499,731.09/141,311.95
  6. Step 6: Final answer
    x = 69,863.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.