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Finding the Fourth Proportional to 74,476.88, 102,882.53 and 67,750.64

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Solution

The fourth proportional to 74,476.88, 102,882.53 and 67,750.64 is: 93,590.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,476.88 : 102,882.53 = 67,750.64 : x
  2. Step 2: Convert to fraction form
    74,476.88/102,882.53 = 67,750.64/x
  3. Step 3: Cross multiply
    74,476.88x = 102,882.53 × 67,750.64
  4. Step 4: Simplify right side
    74,476.88x = 6,970,357,252.32
  5. Step 5: Solve for x
    x = 6,970,357,252.32/74,476.88
  6. Step 6: Final answer
    x = 93,590.89

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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.