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Finding the Fourth Proportional to 157,479.65, 217,529.36 and 116,726.39

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Solution

The fourth proportional to 157,479.65, 217,529.36 and 116,726.39 is: 161,236.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,479.65 : 217,529.36 = 116,726.39 : x
  2. Step 2: Convert to fraction form
    157,479.65/217,529.36 = 116,726.39/x
  3. Step 3: Cross multiply
    157,479.65x = 217,529.36 × 116,726.39
  4. Step 4: Simplify right side
    157,479.65x = 25,391,415,240.53
  5. Step 5: Solve for x
    x = 25,391,415,240.53/157,479.65
  6. Step 6: Final answer
    x = 161,236.17

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1.5x scale

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.