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Finding the Fourth Proportional to 114,424.21, 157,882.89 and 63,434.71

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Solution

The fourth proportional to 114,424.21, 157,882.89 and 63,434.71 is: 87,527.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,424.21 : 157,882.89 = 63,434.71 : x
  2. Step 2: Convert to fraction form
    114,424.21/157,882.89 = 63,434.71/x
  3. Step 3: Cross multiply
    114,424.21x = 157,882.89 × 63,434.71
  4. Step 4: Simplify right side
    114,424.21x = 10,015,255,341.11
  5. Step 5: Solve for x
    x = 10,015,255,341.11/114,424.21
  6. Step 6: Final answer
    x = 87,527.42

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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.