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Finding the Fourth Proportional to 186,765.48, 280,230.57 and 97,997.58

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Solution

The fourth proportional to 186,765.48, 280,230.57 and 97,997.58 is: 147,039.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,765.48 : 280,230.57 = 97,997.58 : x
  2. Step 2: Convert to fraction form
    186,765.48/280,230.57 = 97,997.58/x
  3. Step 3: Cross multiply
    186,765.48x = 280,230.57 × 97,997.58
  4. Step 4: Simplify right side
    186,765.48x = 27,461,917,702.02
  5. Step 5: Solve for x
    x = 27,461,917,702.02/186,765.48
  6. Step 6: Final answer
    x = 147,039.58

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1.5x scale

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.