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Finding the Fourth Proportional to 101,180.88, 139,627.67 and 55,860.26

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Solution

The fourth proportional to 101,180.88, 139,627.67 and 55,860.26 is: 77,086.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,180.88 : 139,627.67 = 55,860.26 : x
  2. Step 2: Convert to fraction form
    101,180.88/139,627.67 = 55,860.26/x
  3. Step 3: Cross multiply
    101,180.88x = 139,627.67 × 55,860.26
  4. Step 4: Simplify right side
    101,180.88x = 7,799,636,971.95
  5. Step 5: Solve for x
    x = 7,799,636,971.95/101,180.88
  6. Step 6: Final answer
    x = 77,086.08

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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.