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Finding the Fourth Proportional to 186,187.44, 256,944.08 and 101,309.96

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Solution

The fourth proportional to 186,187.44, 256,944.08 and 101,309.96 is: 139,810.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,187.44 : 256,944.08 = 101,309.96 : x
  2. Step 2: Convert to fraction form
    186,187.44/256,944.08 = 101,309.96/x
  3. Step 3: Cross multiply
    186,187.44x = 256,944.08 × 101,309.96
  4. Step 4: Simplify right side
    186,187.44x = 26,030,994,467.04
  5. Step 5: Solve for x
    x = 26,030,994,467.04/186,187.44
  6. Step 6: Final answer
    x = 139,810.69

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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.