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Finding the Fourth Proportional to 111,536.68, 153,915.24 and 63,795.28

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Solution

The fourth proportional to 111,536.68, 153,915.24 and 63,795.28 is: 88,034.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,536.68 : 153,915.24 = 63,795.28 : x
  2. Step 2: Convert to fraction form
    111,536.68/153,915.24 = 63,795.28/x
  3. Step 3: Cross multiply
    111,536.68x = 153,915.24 × 63,795.28
  4. Step 4: Simplify right side
    111,536.68x = 9,819,065,832.07
  5. Step 5: Solve for x
    x = 9,819,065,832.07/111,536.68
  6. Step 6: Final answer
    x = 88,034.41

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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.