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Finding the Fourth Proportional to 118,099.62, 176,983.65 and 64,654.20

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Solution

The fourth proportional to 118,099.62, 176,983.65 and 64,654.20 is: 96,890.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,099.62 : 176,983.65 = 64,654.20 : x
  2. Step 2: Convert to fraction form
    118,099.62/176,983.65 = 64,654.20/x
  3. Step 3: Cross multiply
    118,099.62x = 176,983.65 × 64,654.20
  4. Step 4: Simplify right side
    118,099.62x = 11,442,736,303.83
  5. Step 5: Solve for x
    x = 11,442,736,303.83/118,099.62
  6. Step 6: Final answer
    x = 96,890.54

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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.