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Finding the Fourth Proportional to 186,870.60, 280,305.75 and 62,211.60

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Solution

The fourth proportional to 186,870.60, 280,305.75 and 62,211.60 is: 93,317.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,870.60 : 280,305.75 = 62,211.60 : x
  2. Step 2: Convert to fraction form
    186,870.60/280,305.75 = 62,211.60/x
  3. Step 3: Cross multiply
    186,870.60x = 280,305.75 × 62,211.60
  4. Step 4: Simplify right side
    186,870.60x = 17,438,269,196.70
  5. Step 5: Solve for x
    x = 17,438,269,196.70/186,870.60
  6. Step 6: Final answer
    x = 93,317.35

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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.