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Finding the Fourth Proportional to 69,877.76, 104,833.02 and 23,130.62

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Solution

The fourth proportional to 69,877.76, 104,833.02 and 23,130.62 is: 34,701.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,877.76 : 104,833.02 = 23,130.62 : x
  2. Step 2: Convert to fraction form
    69,877.76/104,833.02 = 23,130.62/x
  3. Step 3: Cross multiply
    69,877.76x = 104,833.02 × 23,130.62
  4. Step 4: Simplify right side
    69,877.76x = 2,424,852,749.07
  5. Step 5: Solve for x
    x = 2,424,852,749.07/69,877.76
  6. Step 6: Final answer
    x = 34,701.35

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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.