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Finding the Fourth Proportional to 69,392.16, 104,076.40 and 25,010.08

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Solution

The fourth proportional to 69,392.16, 104,076.40 and 25,010.08 is: 37,510.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,392.16 : 104,076.40 = 25,010.08 : x
  2. Step 2: Convert to fraction form
    69,392.16/104,076.40 = 25,010.08/x
  3. Step 3: Cross multiply
    69,392.16x = 104,076.40 × 25,010.08
  4. Step 4: Simplify right side
    69,392.16x = 2,602,959,090.11
  5. Step 5: Solve for x
    x = 2,602,959,090.11/69,392.16
  6. Step 6: Final answer
    x = 37,510.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.