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Finding the Fourth Proportional to 185,578.92, 256,100.58 and 100,696.68

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Solution

The fourth proportional to 185,578.92, 256,100.58 and 100,696.68 is: 138,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,578.92 : 256,100.58 = 100,696.68 : x
  2. Step 2: Convert to fraction form
    185,578.92/256,100.58 = 100,696.68/x
  3. Step 3: Cross multiply
    185,578.92x = 256,100.58 × 100,696.68
  4. Step 4: Simplify right side
    185,578.92x = 25,788,478,152.07
  5. Step 5: Solve for x
    x = 25,788,478,152.07/185,578.92
  6. Step 6: Final answer
    x = 138,962.32

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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.