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Finding the Fourth Proportional to 186,814, 280,223.40 and 62,155.04

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Solution

The fourth proportional to 186,814, 280,223.40 and 62,155.04 is: 93,233.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,814 : 280,223.40 = 62,155.04 : x
  2. Step 2: Convert to fraction form
    186,814/280,223.40 = 62,155.04/x
  3. Step 3: Cross multiply
    186,814x = 280,223.40 × 62,155.04
  4. Step 4: Simplify right side
    186,814x = 17,417,296,635.94
  5. Step 5: Solve for x
    x = 17,417,296,635.94/186,814
  6. Step 6: Final answer
    x = 93,233.36

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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.