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Finding the Fourth Proportional to 273,005.30, 409,520.10 and 93,088.10

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Solution

The fourth proportional to 273,005.30, 409,520.10 and 93,088.10 is: 139,636.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,005.30 : 409,520.10 = 93,088.10 : x
  2. Step 2: Convert to fraction form
    273,005.30/409,520.10 = 93,088.10/x
  3. Step 3: Cross multiply
    273,005.30x = 409,520.10 × 93,088.10
  4. Step 4: Simplify right side
    273,005.30x = 38,121,448,020.81
  5. Step 5: Solve for x
    x = 38,121,448,020.81/273,005.30
  6. Step 6: Final answer
    x = 139,636.29

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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.