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Finding the Fourth Proportional to 114,838.83, 171,599.45 and 87,670.85

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Solution

The fourth proportional to 114,838.83, 171,599.45 and 87,670.85 is: 131,003.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,838.83 : 171,599.45 = 87,670.85 : x
  2. Step 2: Convert to fraction form
    114,838.83/171,599.45 = 87,670.85/x
  3. Step 3: Cross multiply
    114,838.83x = 171,599.45 × 87,670.85
  4. Step 4: Simplify right side
    114,838.83x = 15,044,268,344.68
  5. Step 5: Solve for x
    x = 15,044,268,344.68/114,838.83
  6. Step 6: Final answer
    x = 131,003.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.