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Finding the Fourth Proportional to 93,441.65, 140,018.95 and 63,416.87

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Solution

The fourth proportional to 93,441.65, 140,018.95 and 63,416.87 is: 95,027.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,441.65 : 140,018.95 = 63,416.87 : x
  2. Step 2: Convert to fraction form
    93,441.65/140,018.95 = 63,416.87/x
  3. Step 3: Cross multiply
    93,441.65x = 140,018.95 × 63,416.87
  4. Step 4: Simplify right side
    93,441.65x = 8,879,564,419.90
  5. Step 5: Solve for x
    x = 8,879,564,419.90/93,441.65
  6. Step 6: Final answer
    x = 95,027.91

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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.