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Finding the Fourth Proportional to 202,279.52, 303,130.10 and 148,550.06

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Solution

The fourth proportional to 202,279.52, 303,130.10 and 148,550.06 is: 222,612.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,279.52 : 303,130.10 = 148,550.06 : x
  2. Step 2: Convert to fraction form
    202,279.52/303,130.10 = 148,550.06/x
  3. Step 3: Cross multiply
    202,279.52x = 303,130.10 × 148,550.06
  4. Step 4: Simplify right side
    202,279.52x = 45,029,994,542.81
  5. Step 5: Solve for x
    x = 45,029,994,542.81/202,279.52
  6. Step 6: Final answer
    x = 222,612.72

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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.