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Finding the Fourth Proportional to 186,812, 280,220.40 and 62,153.04

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Solution

The fourth proportional to 186,812, 280,220.40 and 62,153.04 is: 93,230.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,812 : 280,220.40 = 62,153.04 : x
  2. Step 2: Convert to fraction form
    186,812/280,220.40 = 62,153.04/x
  3. Step 3: Cross multiply
    186,812x = 280,220.40 × 62,153.04
  4. Step 4: Simplify right side
    186,812x = 17,416,549,730.02
  5. Step 5: Solve for x
    x = 17,416,549,730.02/186,812
  6. Step 6: Final answer
    x = 93,230.36

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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.