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Finding the Fourth Proportional to 141,191.78, 211,790.40 and 55,800.36

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Solution

The fourth proportional to 141,191.78, 211,790.40 and 55,800.36 is: 83,701.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,191.78 : 211,790.40 = 55,800.36 : x
  2. Step 2: Convert to fraction form
    141,191.78/211,790.40 = 55,800.36/x
  3. Step 3: Cross multiply
    141,191.78x = 211,790.40 × 55,800.36
  4. Step 4: Simplify right side
    141,191.78x = 11,817,980,355.29
  5. Step 5: Solve for x
    x = 11,817,980,355.29/141,191.78
  6. Step 6: Final answer
    x = 83,701.62

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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.