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Finding the Fourth Proportional to 186,173.84, 256,926.30 and 101,294.12

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Solution

The fourth proportional to 186,173.84, 256,926.30 and 101,294.12 is: 139,789.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,173.84 : 256,926.30 = 101,294.12 : x
  2. Step 2: Convert to fraction form
    186,173.84/256,926.30 = 101,294.12/x
  3. Step 3: Cross multiply
    186,173.84x = 256,926.30 × 101,294.12
  4. Step 4: Simplify right side
    186,173.84x = 26,025,123,463.36
  5. Step 5: Solve for x
    x = 26,025,123,463.36/186,173.84
  6. Step 6: Final answer
    x = 139,789.37

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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.