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Finding the Fourth Proportional to 118,044.62, 162,901.61 and 64,329.65

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Solution

The fourth proportional to 118,044.62, 162,901.61 and 64,329.65 is: 88,774.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,044.62 : 162,901.61 = 64,329.65 : x
  2. Step 2: Convert to fraction form
    118,044.62/162,901.61 = 64,329.65/x
  3. Step 3: Cross multiply
    118,044.62x = 162,901.61 × 64,329.65
  4. Step 4: Simplify right side
    118,044.62x = 10,479,403,555.74
  5. Step 5: Solve for x
    x = 10,479,403,555.74/118,044.62
  6. Step 6: Final answer
    x = 88,774.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.