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Finding the Fourth Proportional to 186,011.97, 256,695.26 and 101,129.03

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Solution

The fourth proportional to 186,011.97, 256,695.26 and 101,129.03 is: 139,557.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,011.97 : 256,695.26 = 101,129.03 : x
  2. Step 2: Convert to fraction form
    186,011.97/256,695.26 = 101,129.03/x
  3. Step 3: Cross multiply
    186,011.97x = 256,695.26 × 101,129.03
  4. Step 4: Simplify right side
    186,011.97x = 25,959,342,785.49
  5. Step 5: Solve for x
    x = 25,959,342,785.49/186,011.97
  6. Step 6: Final answer
    x = 139,557.38

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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.