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Finding the Fourth Proportional to 118,349.58, 177,533.64 and 39,463.86

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Solution

The fourth proportional to 118,349.58, 177,533.64 and 39,463.86 is: 59,198.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,349.58 : 177,533.64 = 39,463.86 : x
  2. Step 2: Convert to fraction form
    118,349.58/177,533.64 = 39,463.86/x
  3. Step 3: Cross multiply
    118,349.58x = 177,533.64 × 39,463.86
  4. Step 4: Simplify right side
    118,349.58x = 7,006,162,714.25
  5. Step 5: Solve for x
    x = 7,006,162,714.25/118,349.58
  6. Step 6: Final answer
    x = 59,198.88

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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.