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Finding the Fourth Proportional to 152,130.60, 228,195.90 and 149,797.80

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Solution

The fourth proportional to 152,130.60, 228,195.90 and 149,797.80 is: 224,696.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    152,130.60 : 228,195.90 = 149,797.80 : x
  2. Step 2: Convert to fraction form
    152,130.60/228,195.90 = 149,797.80/x
  3. Step 3: Cross multiply
    152,130.60x = 228,195.90 × 149,797.80
  4. Step 4: Simplify right side
    152,130.60x = 34,183,243,789.02
  5. Step 5: Solve for x
    x = 34,183,243,789.02/152,130.60
  6. Step 6: Final answer
    x = 224,696.70

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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.