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Finding the Fourth Proportional to 186,361.50, 279,585.99 and 61,702.50

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Solution

The fourth proportional to 186,361.50, 279,585.99 and 61,702.50 is: 92,568.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,361.50 : 279,585.99 = 61,702.50 : x
  2. Step 2: Convert to fraction form
    186,361.50/279,585.99 = 61,702.50/x
  3. Step 3: Cross multiply
    186,361.50x = 279,585.99 × 61,702.50
  4. Step 4: Simplify right side
    186,361.50x = 17,251,154,547.98
  5. Step 5: Solve for x
    x = 17,251,154,547.98/186,361.50
  6. Step 6: Final answer
    x = 92,568.23

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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.