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Finding the Fourth Proportional to 114,410.39, 157,869.70 and 63,423.07

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Solution

The fourth proportional to 114,410.39, 157,869.70 and 63,423.07 is: 87,514.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,410.39 : 157,869.70 = 63,423.07 : x
  2. Step 2: Convert to fraction form
    114,410.39/157,869.70 = 63,423.07/x
  3. Step 3: Cross multiply
    114,410.39x = 157,869.70 × 63,423.07
  4. Step 4: Simplify right side
    114,410.39x = 10,012,580,480.75
  5. Step 5: Solve for x
    x = 10,012,580,480.75/114,410.39
  6. Step 6: Final answer
    x = 87,514.61

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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.