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Finding the Fourth Proportional to 186,203.76, 279,349.38 and 61,544.76

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Solution

The fourth proportional to 186,203.76, 279,349.38 and 61,544.76 is: 92,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,203.76 : 279,349.38 = 61,544.76 : x
  2. Step 2: Convert to fraction form
    186,203.76/279,349.38 = 61,544.76/x
  3. Step 3: Cross multiply
    186,203.76x = 279,349.38 × 61,544.76
  4. Step 4: Simplify right side
    186,203.76x = 17,192,490,548.25
  5. Step 5: Solve for x
    x = 17,192,490,548.25/186,203.76
  6. Step 6: Final answer
    x = 92,331.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.