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Finding the Fourth Proportional to 62,043.40, 92,955.30 and 59,987.80

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Solution

The fourth proportional to 62,043.40, 92,955.30 and 59,987.80 is: 89,875.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,043.40 : 92,955.30 = 59,987.80 : x
  2. Step 2: Convert to fraction form
    62,043.40/92,955.30 = 59,987.80/x
  3. Step 3: Cross multiply
    62,043.40x = 92,955.30 × 59,987.80
  4. Step 4: Simplify right side
    62,043.40x = 5,576,183,945.34
  5. Step 5: Solve for x
    x = 5,576,183,945.34/62,043.40
  6. Step 6: Final answer
    x = 89,875.54

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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.