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Finding the Fourth Proportional to 141,506.52, 195,277.60 and 77,844.40

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Solution

The fourth proportional to 141,506.52, 195,277.60 and 77,844.40 is: 107,424.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,506.52 : 195,277.60 = 77,844.40 : x
  2. Step 2: Convert to fraction form
    141,506.52/195,277.60 = 77,844.40/x
  3. Step 3: Cross multiply
    141,506.52x = 195,277.60 × 77,844.40
  4. Step 4: Simplify right side
    141,506.52x = 15,201,267,605.44
  5. Step 5: Solve for x
    x = 15,201,267,605.44/141,506.52
  6. Step 6: Final answer
    x = 107,424.50

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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.