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Finding the Fourth Proportional to 186,688.60, 280,032.90 and 62,029.60

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Solution

The fourth proportional to 186,688.60, 280,032.90 and 62,029.60 is: 93,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,688.60 : 280,032.90 = 62,029.60 : x
  2. Step 2: Convert to fraction form
    186,688.60/280,032.90 = 62,029.60/x
  3. Step 3: Cross multiply
    186,688.60x = 280,032.90 × 62,029.60
  4. Step 4: Simplify right side
    186,688.60x = 17,370,328,773.84
  5. Step 5: Solve for x
    x = 17,370,328,773.84/186,688.60
  6. Step 6: Final answer
    x = 93,044.40

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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.