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Finding the Fourth Proportional to 110,358.49, 152,284.17 and 61,949.34

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Solution

The fourth proportional to 110,358.49, 152,284.17 and 61,949.34 is: 85,484.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,358.49 : 152,284.17 = 61,949.34 : x
  2. Step 2: Convert to fraction form
    110,358.49/152,284.17 = 61,949.34/x
  3. Step 3: Cross multiply
    110,358.49x = 152,284.17 × 61,949.34
  4. Step 4: Simplify right side
    110,358.49x = 9,433,903,823.95
  5. Step 5: Solve for x
    x = 9,433,903,823.95/110,358.49
  6. Step 6: Final answer
    x = 85,484.17

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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.