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Finding the Fourth Proportional to 103,298.16, 154,556.22 and 61,200.84

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Solution

The fourth proportional to 103,298.16, 154,556.22 and 61,200.84 is: 91,569.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,298.16 : 154,556.22 = 61,200.84 : x
  2. Step 2: Convert to fraction form
    103,298.16/154,556.22 = 61,200.84/x
  3. Step 3: Cross multiply
    103,298.16x = 154,556.22 × 61,200.84
  4. Step 4: Simplify right side
    103,298.16x = 9,458,970,491.22
  5. Step 5: Solve for x
    x = 9,458,970,491.22/103,298.16
  6. Step 6: Final answer
    x = 91,569.59

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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.