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Finding the Fourth Proportional to 114,337.74, 157,808.20 and 65,970.94

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Solution

The fourth proportional to 114,337.74, 157,808.20 and 65,970.94 is: 91,052.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,337.74 : 157,808.20 = 65,970.94 : x
  2. Step 2: Convert to fraction form
    114,337.74/157,808.20 = 65,970.94/x
  3. Step 3: Cross multiply
    114,337.74x = 157,808.20 × 65,970.94
  4. Step 4: Simplify right side
    114,337.74x = 10,410,755,293.71
  5. Step 5: Solve for x
    x = 10,410,755,293.71/114,337.74
  6. Step 6: Final answer
    x = 91,052.66

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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.