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Finding the Fourth Proportional to 113,284.34, 169,926.50 and 53,940.10

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Solution

The fourth proportional to 113,284.34, 169,926.50 and 53,940.10 is: 80,910.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,284.34 : 169,926.50 = 53,940.10 : x
  2. Step 2: Convert to fraction form
    113,284.34/169,926.50 = 53,940.10/x
  3. Step 3: Cross multiply
    113,284.34x = 169,926.50 × 53,940.10
  4. Step 4: Simplify right side
    113,284.34x = 9,165,851,795.97
  5. Step 5: Solve for x
    x = 9,165,851,795.97/113,284.34
  6. Step 6: Final answer
    x = 80,910.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.