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Finding the Fourth Proportional to 114,366.16, 157,820.74 and 63,381.07

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Solution

The fourth proportional to 114,366.16, 157,820.74 and 63,381.07 is: 87,463.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,366.16 : 157,820.74 = 63,381.07 : x
  2. Step 2: Convert to fraction form
    114,366.16/157,820.74 = 63,381.07/x
  3. Step 3: Cross multiply
    114,366.16x = 157,820.74 × 63,381.07
  4. Step 4: Simplify right side
    114,366.16x = 10,002,847,369.39
  5. Step 5: Solve for x
    x = 10,002,847,369.39/114,366.16
  6. Step 6: Final answer
    x = 87,463.35

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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.