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Finding the Fourth Proportional to 114,350.88, 157,804.22 and 69,638.88

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Solution

The fourth proportional to 114,350.88, 157,804.22 and 69,638.88 is: 96,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,350.88 : 157,804.22 = 69,638.88 : x
  2. Step 2: Convert to fraction form
    114,350.88/157,804.22 = 69,638.88/x
  3. Step 3: Cross multiply
    114,350.88x = 157,804.22 × 69,638.88
  4. Step 4: Simplify right side
    114,350.88x = 10,989,309,140.07
  5. Step 5: Solve for x
    x = 10,989,309,140.07/114,350.88
  6. Step 6: Final answer
    x = 96,101.66

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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.