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Finding the Fourth Proportional to 98,566.65, 136,022.04 and 53,244.64

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Solution

The fourth proportional to 98,566.65, 136,022.04 and 53,244.64 is: 73,477.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,566.65 : 136,022.04 = 53,244.64 : x
  2. Step 2: Convert to fraction form
    98,566.65/136,022.04 = 53,244.64/x
  3. Step 3: Cross multiply
    98,566.65x = 136,022.04 × 53,244.64
  4. Step 4: Simplify right side
    98,566.65x = 7,242,444,551.87
  5. Step 5: Solve for x
    x = 7,242,444,551.87/98,566.65
  6. Step 6: Final answer
    x = 73,477.64

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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.