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Finding the Fourth Proportional to 153,879.63, 230,832.66 and 54,031.24

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Solution

The fourth proportional to 153,879.63, 230,832.66 and 54,031.24 is: 81,051.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,879.63 : 230,832.66 = 54,031.24 : x
  2. Step 2: Convert to fraction form
    153,879.63/230,832.66 = 54,031.24/x
  3. Step 3: Cross multiply
    153,879.63x = 230,832.66 × 54,031.24
  4. Step 4: Simplify right side
    153,879.63x = 12,472,174,852.30
  5. Step 5: Solve for x
    x = 12,472,174,852.30/153,879.63
  6. Step 6: Final answer
    x = 81,051.50

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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.