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Finding the Fourth Proportional to 141,015.68, 211,588.10 and 61,078.10

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Solution

The fourth proportional to 141,015.68, 211,588.10 and 61,078.10 is: 91,645.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,015.68 : 211,588.10 = 61,078.10 : x
  2. Step 2: Convert to fraction form
    141,015.68/211,588.10 = 61,078.10/x
  3. Step 3: Cross multiply
    141,015.68x = 211,588.10 × 61,078.10
  4. Step 4: Simplify right side
    141,015.68x = 12,923,398,225.36
  5. Step 5: Solve for x
    x = 12,923,398,225.36/141,015.68
  6. Step 6: Final answer
    x = 91,645.12

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1.5x scale

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.