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Finding the Fourth Proportional to 153,645.74, 230,468.60 and 48,472.91

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Solution

The fourth proportional to 153,645.74, 230,468.60 and 48,472.91 is: 72,709.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,645.74 : 230,468.60 = 48,472.91 : x
  2. Step 2: Convert to fraction form
    153,645.74/230,468.60 = 48,472.91/x
  3. Step 3: Cross multiply
    153,645.74x = 230,468.60 × 48,472.91
  4. Step 4: Simplify right side
    153,645.74x = 11,171,483,705.63
  5. Step 5: Solve for x
    x = 11,171,483,705.63/153,645.74
  6. Step 6: Final answer
    x = 72,709.36

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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.