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Finding the Fourth Proportional to 110,967.86, 153,136.26 and 60,666.86

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Solution

The fourth proportional to 110,967.86, 153,136.26 and 60,666.86 is: 83,720.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,967.86 : 153,136.26 = 60,666.86 : x
  2. Step 2: Convert to fraction form
    110,967.86/153,136.26 = 60,666.86/x
  3. Step 3: Cross multiply
    110,967.86x = 153,136.26 × 60,666.86
  4. Step 4: Simplify right side
    110,967.86x = 9,290,296,046.34
  5. Step 5: Solve for x
    x = 9,290,296,046.34/110,967.86
  6. Step 6: Final answer
    x = 83,720.60

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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.