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Finding the Fourth Proportional to 114,490.65, 157,997.65 and 63,499.84

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Solution

The fourth proportional to 114,490.65, 157,997.65 and 63,499.84 is: 87,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,490.65 : 157,997.65 = 63,499.84 : x
  2. Step 2: Convert to fraction form
    114,490.65/157,997.65 = 63,499.84/x
  3. Step 3: Cross multiply
    114,490.65x = 157,997.65 × 63,499.84
  4. Step 4: Simplify right side
    114,490.65x = 10,032,825,495.38
  5. Step 5: Solve for x
    x = 10,032,825,495.38/114,490.65
  6. Step 6: Final answer
    x = 87,630.09

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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.