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Finding the Fourth Proportional to 114,752, 158,372.62 and 64,451

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Solution

The fourth proportional to 114,752, 158,372.62 and 64,451 is: 88,950.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,752 : 158,372.62 = 64,451 : x
  2. Step 2: Convert to fraction form
    114,752/158,372.62 = 64,451/x
  3. Step 3: Cross multiply
    114,752x = 158,372.62 × 64,451
  4. Step 4: Simplify right side
    114,752x = 10,207,273,731.62
  5. Step 5: Solve for x
    x = 10,207,273,731.62/114,752
  6. Step 6: Final answer
    x = 88,950.73

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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.