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Finding the Fourth Proportional to 169,718.91, 254,611.14 and 64,529.70

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Solution

The fourth proportional to 169,718.91, 254,611.14 and 64,529.70 is: 96,807.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,718.91 : 254,611.14 = 64,529.70 : x
  2. Step 2: Convert to fraction form
    169,718.91/254,611.14 = 64,529.70/x
  3. Step 3: Cross multiply
    169,718.91x = 254,611.14 × 64,529.70
  4. Step 4: Simplify right side
    169,718.91x = 16,429,980,480.86
  5. Step 5: Solve for x
    x = 16,429,980,480.86/169,718.91
  6. Step 6: Final answer
    x = 96,807.01

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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.