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Finding the Fourth Proportional to 185,588.92, 256,114.40 and 100,706.68

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Solution

The fourth proportional to 185,588.92, 256,114.40 and 100,706.68 is: 138,976.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,588.92 : 256,114.40 = 100,706.68 : x
  2. Step 2: Convert to fraction form
    185,588.92/256,114.40 = 100,706.68/x
  3. Step 3: Cross multiply
    185,588.92x = 256,114.40 × 100,706.68
  4. Step 4: Simplify right side
    185,588.92x = 25,792,430,924.19
  5. Step 5: Solve for x
    x = 25,792,430,924.19/185,588.92
  6. Step 6: Final answer
    x = 138,976.14

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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.