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Finding the Fourth Proportional to 86,033.86, 118,452.09 and 73,407.94

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Solution

The fourth proportional to 86,033.86, 118,452.09 and 73,407.94 is: 101,068.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,033.86 : 118,452.09 = 73,407.94 : x
  2. Step 2: Convert to fraction form
    86,033.86/118,452.09 = 73,407.94/x
  3. Step 3: Cross multiply
    86,033.86x = 118,452.09 × 73,407.94
  4. Step 4: Simplify right side
    86,033.86x = 8,695,323,915.59
  5. Step 5: Solve for x
    x = 8,695,323,915.59/86,033.86
  6. Step 6: Final answer
    x = 101,068.62

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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.