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Finding the Fourth Proportional to 96,855.66, 133,657.72 and 53,834.94

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Solution

The fourth proportional to 96,855.66, 133,657.72 and 53,834.94 is: 74,290.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,855.66 : 133,657.72 = 53,834.94 : x
  2. Step 2: Convert to fraction form
    96,855.66/133,657.72 = 53,834.94/x
  3. Step 3: Cross multiply
    96,855.66x = 133,657.72 × 53,834.94
  4. Step 4: Simplify right side
    96,855.66x = 7,195,455,336.74
  5. Step 5: Solve for x
    x = 7,195,455,336.74/96,855.66
  6. Step 6: Final answer
    x = 74,290.50

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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.