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Finding the Fourth Proportional to 114,818.88, 158,450.90 and 63,136.88

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Solution

The fourth proportional to 114,818.88, 158,450.90 and 63,136.88 is: 87,129.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,818.88 : 158,450.90 = 63,136.88 : x
  2. Step 2: Convert to fraction form
    114,818.88/158,450.90 = 63,136.88/x
  3. Step 3: Cross multiply
    114,818.88x = 158,450.90 × 63,136.88
  4. Step 4: Simplify right side
    114,818.88x = 10,004,095,459.19
  5. Step 5: Solve for x
    x = 10,004,095,459.19/114,818.88
  6. Step 6: Final answer
    x = 87,129.36

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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.