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Finding the Fourth Proportional to 98,888.64, 136,466.98 and 53,566.62

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Solution

The fourth proportional to 98,888.64, 136,466.98 and 53,566.62 is: 73,922.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,888.64 : 136,466.98 = 53,566.62 : x
  2. Step 2: Convert to fraction form
    98,888.64/136,466.98 = 53,566.62/x
  3. Step 3: Cross multiply
    98,888.64x = 136,466.98 × 53,566.62
  4. Step 4: Simplify right side
    98,888.64x = 7,310,074,592.37
  5. Step 5: Solve for x
    x = 7,310,074,592.37/98,888.64
  6. Step 6: Final answer
    x = 73,922.29

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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.