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Finding the Fourth Proportional to 321,595.92, 482,053.55 and 108,160.65

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Solution

The fourth proportional to 321,595.92, 482,053.55 and 108,160.65 is: 162,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,595.92 : 482,053.55 = 108,160.65 : x
  2. Step 2: Convert to fraction form
    321,595.92/482,053.55 = 108,160.65/x
  3. Step 3: Cross multiply
    321,595.92x = 482,053.55 × 108,160.65
  4. Step 4: Simplify right side
    321,595.92x = 52,139,224,762.00
  5. Step 5: Solve for x
    x = 52,139,224,762.00/321,595.92
  6. Step 6: Final answer
    x = 162,126.51

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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.