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Finding the Fourth Proportional to 186,013.97, 256,698.01 and 101,131.03

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Solution

The fourth proportional to 186,013.97, 256,698.01 and 101,131.03 is: 139,560.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,013.97 : 256,698.01 = 101,131.03 : x
  2. Step 2: Convert to fraction form
    186,013.97/256,698.01 = 101,131.03/x
  3. Step 3: Cross multiply
    186,013.97x = 256,698.01 × 101,131.03
  4. Step 4: Simplify right side
    186,013.97x = 25,960,134,150.25
  5. Step 5: Solve for x
    x = 25,960,134,150.25/186,013.97
  6. Step 6: Final answer
    x = 139,560.13

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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.