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Finding the Fourth Proportional to 114,114.88, 157,473.84 and 62,431.12

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Solution

The fourth proportional to 114,114.88, 157,473.84 and 62,431.12 is: 86,152.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,114.88 : 157,473.84 = 62,431.12 : x
  2. Step 2: Convert to fraction form
    114,114.88/157,473.84 = 62,431.12/x
  3. Step 3: Cross multiply
    114,114.88x = 157,473.84 × 62,431.12
  4. Step 4: Simplify right side
    114,114.88x = 9,831,268,201.90
  5. Step 5: Solve for x
    x = 9,831,268,201.90/114,114.88
  6. Step 6: Final answer
    x = 86,152.38

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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.