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Finding the Fourth Proportional to 89,913.40, 134,762.10 and 37,295.80

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Solution

The fourth proportional to 89,913.40, 134,762.10 and 37,295.80 is: 55,898.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,913.40 : 134,762.10 = 37,295.80 : x
  2. Step 2: Convert to fraction form
    89,913.40/134,762.10 = 37,295.80/x
  3. Step 3: Cross multiply
    89,913.40x = 134,762.10 × 37,295.80
  4. Step 4: Simplify right side
    89,913.40x = 5,026,060,329.18
  5. Step 5: Solve for x
    x = 5,026,060,329.18/89,913.40
  6. Step 6: Final answer
    x = 55,898.90

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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.