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Finding the Fourth Proportional to 93,987.37, 140,835.92 and 63,472.91

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Solution

The fourth proportional to 93,987.37, 140,835.92 and 63,472.91 is: 95,111.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,987.37 : 140,835.92 = 63,472.91 : x
  2. Step 2: Convert to fraction form
    93,987.37/140,835.92 = 63,472.91/x
  3. Step 3: Cross multiply
    93,987.37x = 140,835.92 × 63,472.91
  4. Step 4: Simplify right side
    93,987.37x = 8,939,265,585.04
  5. Step 5: Solve for x
    x = 8,939,265,585.04/93,987.37
  6. Step 6: Final answer
    x = 95,111.35

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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.