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Finding the Fourth Proportional to 445,457.59, 668,151.52 and 125,596.54

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Solution

The fourth proportional to 445,457.59, 668,151.52 and 125,596.54 is: 188,384.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,457.59 : 668,151.52 = 125,596.54 : x
  2. Step 2: Convert to fraction form
    445,457.59/668,151.52 = 125,596.54/x
  3. Step 3: Cross multiply
    445,457.59x = 668,151.52 × 125,596.54
  4. Step 4: Simplify right side
    445,457.59x = 83,917,517,358.86
  5. Step 5: Solve for x
    x = 83,917,517,358.86/445,457.59
  6. Step 6: Final answer
    x = 188,384.98

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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.