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Finding the Fourth Proportional to 365,401.30, 548,101.95 and 99,194.80

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Solution

The fourth proportional to 365,401.30, 548,101.95 and 99,194.80 is: 148,792.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,401.30 : 548,101.95 = 99,194.80 : x
  2. Step 2: Convert to fraction form
    365,401.30/548,101.95 = 99,194.80/x
  3. Step 3: Cross multiply
    365,401.30x = 548,101.95 × 99,194.80
  4. Step 4: Simplify right side
    365,401.30x = 54,368,863,309.86
  5. Step 5: Solve for x
    x = 54,368,863,309.86/365,401.30
  6. Step 6: Final answer
    x = 148,792.20

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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.