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Finding the Fourth Proportional to 176,859, 244,272.78 and 117,139.32

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Solution

The fourth proportional to 176,859, 244,272.78 and 117,139.32 is: 161,789.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,859 : 244,272.78 = 117,139.32 : x
  2. Step 2: Convert to fraction form
    176,859/244,272.78 = 117,139.32/x
  3. Step 3: Cross multiply
    176,859x = 244,272.78 × 117,139.32
  4. Step 4: Simplify right side
    176,859x = 28,613,947,343.71
  5. Step 5: Solve for x
    x = 28,613,947,343.71/176,859
  6. Step 6: Final answer
    x = 161,789.60

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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.