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Finding the Fourth Proportional to 114,395.82, 157,851.21 and 65,999.53

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Solution

The fourth proportional to 114,395.82, 157,851.21 and 65,999.53 is: 91,070.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,395.82 : 157,851.21 = 65,999.53 : x
  2. Step 2: Convert to fraction form
    114,395.82/157,851.21 = 65,999.53/x
  3. Step 3: Cross multiply
    114,395.82x = 157,851.21 × 65,999.53
  4. Step 4: Simplify right side
    114,395.82x = 10,418,105,669.93
  5. Step 5: Solve for x
    x = 10,418,105,669.93/114,395.82
  6. Step 6: Final answer
    x = 91,070.68

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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.