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Finding the Fourth Proportional to 186,364.16, 279,506.98 and 60,015.70

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Solution

The fourth proportional to 186,364.16, 279,506.98 and 60,015.70 is: 90,010.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,364.16 : 279,506.98 = 60,015.70 : x
  2. Step 2: Convert to fraction form
    186,364.16/279,506.98 = 60,015.70/x
  3. Step 3: Cross multiply
    186,364.16x = 279,506.98 × 60,015.70
  4. Step 4: Simplify right side
    186,364.16x = 16,774,807,059.59
  5. Step 5: Solve for x
    x = 16,774,807,059.59/186,364.16
  6. Step 6: Final answer
    x = 90,010.91

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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.