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Finding the Fourth Proportional to 67,520, 93,176.48 and 37,306.60

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Solution

The fourth proportional to 67,520, 93,176.48 and 37,306.60 is: 51,482.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,520 : 93,176.48 = 37,306.60 : x
  2. Step 2: Convert to fraction form
    67,520/93,176.48 = 37,306.60/x
  3. Step 3: Cross multiply
    67,520x = 93,176.48 × 37,306.60
  4. Step 4: Simplify right side
    67,520x = 3,476,097,668.77
  5. Step 5: Solve for x
    x = 3,476,097,668.77/67,520
  6. Step 6: Final answer
    x = 51,482.49

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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.