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Finding the Fourth Proportional to 186,016.13, 256,704.08 and 101,135.01

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Solution

The fourth proportional to 186,016.13, 256,704.08 and 101,135.01 is: 139,567.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,016.13 : 256,704.08 = 101,135.01 : x
  2. Step 2: Convert to fraction form
    186,016.13/256,704.08 = 101,135.01/x
  3. Step 3: Cross multiply
    186,016.13x = 256,704.08 × 101,135.01
  4. Step 4: Simplify right side
    186,016.13x = 25,961,769,697.84
  5. Step 5: Solve for x
    x = 25,961,769,697.84/186,016.13
  6. Step 6: Final answer
    x = 139,567.30

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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.