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Finding the Fourth Proportional to 186,171.74, 256,921.44 and 105,604.70

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Solution

The fourth proportional to 186,171.74, 256,921.44 and 105,604.70 is: 145,737.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,171.74 : 256,921.44 = 105,604.70 : x
  2. Step 2: Convert to fraction form
    186,171.74/256,921.44 = 105,604.70/x
  3. Step 3: Cross multiply
    186,171.74x = 256,921.44 × 105,604.70
  4. Step 4: Simplify right side
    186,171.74x = 27,132,111,594.77
  5. Step 5: Solve for x
    x = 27,132,111,594.77/186,171.74
  6. Step 6: Final answer
    x = 145,737.00

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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.