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Finding the Fourth Proportional to 236,473.80, 354,710.70 and 148,000.20

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Solution

The fourth proportional to 236,473.80, 354,710.70 and 148,000.20 is: 222,000.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,473.80 : 354,710.70 = 148,000.20 : x
  2. Step 2: Convert to fraction form
    236,473.80/354,710.70 = 148,000.20/x
  3. Step 3: Cross multiply
    236,473.80x = 354,710.70 × 148,000.20
  4. Step 4: Simplify right side
    236,473.80x = 52,497,254,542.14
  5. Step 5: Solve for x
    x = 52,497,254,542.14/236,473.80
  6. Step 6: Final answer
    x = 222,000.30

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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.