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Finding the Fourth Proportional to 153,358.20, 230,037.30 and 48,187.80

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Solution

The fourth proportional to 153,358.20, 230,037.30 and 48,187.80 is: 72,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,358.20 : 230,037.30 = 48,187.80 : x
  2. Step 2: Convert to fraction form
    153,358.20/230,037.30 = 48,187.80/x
  3. Step 3: Cross multiply
    153,358.20x = 230,037.30 × 48,187.80
  4. Step 4: Simplify right side
    153,358.20x = 11,084,991,404.94
  5. Step 5: Solve for x
    x = 11,084,991,404.94/153,358.20
  6. Step 6: Final answer
    x = 72,281.70

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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.