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Finding the Fourth Proportional to 207,124.32, 285,828.83 and 116,480.26

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Solution

The fourth proportional to 207,124.32, 285,828.83 and 116,480.26 is: 160,741.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,124.32 : 285,828.83 = 116,480.26 : x
  2. Step 2: Convert to fraction form
    207,124.32/285,828.83 = 116,480.26/x
  3. Step 3: Cross multiply
    207,124.32x = 285,828.83 × 116,480.26
  4. Step 4: Simplify right side
    207,124.32x = 33,293,416,433.90
  5. Step 5: Solve for x
    x = 33,293,416,433.90/207,124.32
  6. Step 6: Final answer
    x = 160,741.22

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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.