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Finding the Fourth Proportional to 100,017.90, 150,026.85 and 92,727.90

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Solution

The fourth proportional to 100,017.90, 150,026.85 and 92,727.90 is: 139,091.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,017.90 : 150,026.85 = 92,727.90 : x
  2. Step 2: Convert to fraction form
    100,017.90/150,026.85 = 92,727.90/x
  3. Step 3: Cross multiply
    100,017.90x = 150,026.85 × 92,727.90
  4. Step 4: Simplify right side
    100,017.90x = 13,911,674,744.12
  5. Step 5: Solve for x
    x = 13,911,674,744.12/100,017.90
  6. Step 6: Final answer
    x = 139,091.85

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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.