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Finding the Fourth Proportional to 114,037.52, 171,076.84 and 39,138.36

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Solution

The fourth proportional to 114,037.52, 171,076.84 and 39,138.36 is: 58,714.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,037.52 : 171,076.84 = 39,138.36 : x
  2. Step 2: Convert to fraction form
    114,037.52/171,076.84 = 39,138.36/x
  3. Step 3: Cross multiply
    114,037.52x = 171,076.84 × 39,138.36
  4. Step 4: Simplify right side
    114,037.52x = 6,695,666,951.58
  5. Step 5: Solve for x
    x = 6,695,666,951.58/114,037.52
  6. Step 6: Final answer
    x = 58,714.60

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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.