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Finding the Fourth Proportional to 152,067.40, 228,101.10 and 144,809.80

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Solution

The fourth proportional to 152,067.40, 228,101.10 and 144,809.80 is: 217,214.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,067.40 : 228,101.10 = 144,809.80 : x
  2. Step 2: Convert to fraction form
    152,067.40/228,101.10 = 144,809.80/x
  3. Step 3: Cross multiply
    152,067.40x = 228,101.10 × 144,809.80
  4. Step 4: Simplify right side
    152,067.40x = 33,031,274,670.78
  5. Step 5: Solve for x
    x = 33,031,274,670.78/152,067.40
  6. Step 6: Final answer
    x = 217,214.70

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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.