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Finding the Fourth Proportional to 114,302.16, 157,723.50 and 65,903.55

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Solution

The fourth proportional to 114,302.16, 157,723.50 and 65,903.55 is: 90,939.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,302.16 : 157,723.50 = 65,903.55 : x
  2. Step 2: Convert to fraction form
    114,302.16/157,723.50 = 65,903.55/x
  3. Step 3: Cross multiply
    114,302.16x = 157,723.50 × 65,903.55
  4. Step 4: Simplify right side
    114,302.16x = 10,394,538,568.43
  5. Step 5: Solve for x
    x = 10,394,538,568.43/114,302.16
  6. Step 6: Final answer
    x = 90,939.13

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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.