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Finding the Fourth Proportional to 170,552.60, 255,683.02 and 65,447

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Solution

The fourth proportional to 170,552.60, 255,683.02 and 65,447 is: 98,114.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,552.60 : 255,683.02 = 65,447 : x
  2. Step 2: Convert to fraction form
    170,552.60/255,683.02 = 65,447/x
  3. Step 3: Cross multiply
    170,552.60x = 255,683.02 × 65,447
  4. Step 4: Simplify right side
    170,552.60x = 16,733,686,609.94
  5. Step 5: Solve for x
    x = 16,733,686,609.94/170,552.60
  6. Step 6: Final answer
    x = 98,114.52

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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.