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Finding the Fourth Proportional to 141,846.69, 195,745.76 and 77,316.53

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Solution

The fourth proportional to 141,846.69, 195,745.76 and 77,316.53 is: 106,695.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,846.69 : 195,745.76 = 77,316.53 : x
  2. Step 2: Convert to fraction form
    141,846.69/195,745.76 = 77,316.53/x
  3. Step 3: Cross multiply
    141,846.69x = 195,745.76 × 77,316.53
  4. Step 4: Simplify right side
    141,846.69x = 15,134,382,284.94
  5. Step 5: Solve for x
    x = 15,134,382,284.94/141,846.69
  6. Step 6: Final answer
    x = 106,695.35

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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.