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Finding the Fourth Proportional to 95,752.80, 132,140.16 and 53,312.40

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Solution

The fourth proportional to 95,752.80, 132,140.16 and 53,312.40 is: 73,571.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,752.80 : 132,140.16 = 53,312.40 : x
  2. Step 2: Convert to fraction form
    95,752.80/132,140.16 = 53,312.40/x
  3. Step 3: Cross multiply
    95,752.80x = 132,140.16 × 53,312.40
  4. Step 4: Simplify right side
    95,752.80x = 7,044,709,065.98
  5. Step 5: Solve for x
    x = 7,044,709,065.98/95,752.80
  6. Step 6: Final answer
    x = 73,571.83

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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.