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Finding the Fourth Proportional to 114,299, 157,732.68 and 63,999.08

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Solution

The fourth proportional to 114,299, 157,732.68 and 63,999.08 is: 88,318.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,299 : 157,732.68 = 63,999.08 : x
  2. Step 2: Convert to fraction form
    114,299/157,732.68 = 63,999.08/x
  3. Step 3: Cross multiply
    114,299x = 157,732.68 × 63,999.08
  4. Step 4: Simplify right side
    114,299x = 10,094,746,405.93
  5. Step 5: Solve for x
    x = 10,094,746,405.93/114,299
  6. Step 6: Final answer
    x = 88,318.76

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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.