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Finding the Fourth Proportional to 114,029.79, 157,334.95 and 68,080.48

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Solution

The fourth proportional to 114,029.79, 157,334.95 and 68,080.48 is: 93,935.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,029.79 : 157,334.95 = 68,080.48 : x
  2. Step 2: Convert to fraction form
    114,029.79/157,334.95 = 68,080.48/x
  3. Step 3: Cross multiply
    114,029.79x = 157,334.95 × 68,080.48
  4. Step 4: Simplify right side
    114,029.79x = 10,711,439,086.98
  5. Step 5: Solve for x
    x = 10,711,439,086.98/114,029.79
  6. Step 6: Final answer
    x = 93,935.45

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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.