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Finding the Fourth Proportional to 141,047.70, 211,436.70 and 52,277.40

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Solution

The fourth proportional to 141,047.70, 211,436.70 and 52,277.40 is: 78,366.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,047.70 : 211,436.70 = 52,277.40 : x
  2. Step 2: Convert to fraction form
    141,047.70/211,436.70 = 52,277.40/x
  3. Step 3: Cross multiply
    141,047.70x = 211,436.70 × 52,277.40
  4. Step 4: Simplify right side
    141,047.70x = 11,053,360,940.58
  5. Step 5: Solve for x
    x = 11,053,360,940.58/141,047.70
  6. Step 6: Final answer
    x = 78,366.12

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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.