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Finding the Fourth Proportional to 99,099.14, 148,649.00 and 69,648.75

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Solution

The fourth proportional to 99,099.14, 148,649.00 and 69,648.75 is: 104,473.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,099.14 : 148,649.00 = 69,648.75 : x
  2. Step 2: Convert to fraction form
    99,099.14/148,649.00 = 69,648.75/x
  3. Step 3: Cross multiply
    99,099.14x = 148,649.00 × 69,648.75
  4. Step 4: Simplify right side
    99,099.14x = 10,353,216,690.51
  5. Step 5: Solve for x
    x = 10,353,216,690.51/99,099.14
  6. Step 6: Final answer
    x = 104,473.33

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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.