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Finding the Fourth Proportional to 111,200.70, 153,467.94 and 63,461.22

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Solution

The fourth proportional to 111,200.70, 153,467.94 and 63,461.22 is: 87,582.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,200.70 : 153,467.94 = 63,461.22 : x
  2. Step 2: Convert to fraction form
    111,200.70/153,467.94 = 63,461.22/x
  3. Step 3: Cross multiply
    111,200.70x = 153,467.94 × 63,461.22
  4. Step 4: Simplify right side
    111,200.70x = 9,739,262,703.29
  5. Step 5: Solve for x
    x = 9,739,262,703.29/111,200.70
  6. Step 6: Final answer
    x = 87,582.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.