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Finding the Fourth Proportional to 153,603.54, 230,508.99 and 53,764.56

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Solution

The fourth proportional to 153,603.54, 230,508.99 and 53,764.56 is: 80,683.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,603.54 : 230,508.99 = 53,764.56 : x
  2. Step 2: Convert to fraction form
    153,603.54/230,508.99 = 53,764.56/x
  3. Step 3: Cross multiply
    153,603.54x = 230,508.99 × 53,764.56
  4. Step 4: Simplify right side
    153,603.54x = 12,393,214,423.39
  5. Step 5: Solve for x
    x = 12,393,214,423.39/153,603.54
  6. Step 6: Final answer
    x = 80,683.13

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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.