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Finding the Fourth Proportional to 186,099.60, 256,820.70 and 101,217.24

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Solution

The fourth proportional to 186,099.60, 256,820.70 and 101,217.24 is: 139,681.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,099.60 : 256,820.70 = 101,217.24 : x
  2. Step 2: Convert to fraction form
    186,099.60/256,820.70 = 101,217.24/x
  3. Step 3: Cross multiply
    186,099.60x = 256,820.70 × 101,217.24
  4. Step 4: Simplify right side
    186,099.60x = 25,994,682,428.87
  5. Step 5: Solve for x
    x = 25,994,682,428.87/186,099.60
  6. Step 6: Final answer
    x = 139,681.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.