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Finding the Fourth Proportional to 303,520.68, 455,282.10 and 93,158.64

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Solution

The fourth proportional to 303,520.68, 455,282.10 and 93,158.64 is: 139,738.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,520.68 : 455,282.10 = 93,158.64 : x
  2. Step 2: Convert to fraction form
    303,520.68/455,282.10 = 93,158.64/x
  3. Step 3: Cross multiply
    303,520.68x = 455,282.10 × 93,158.64
  4. Step 4: Simplify right side
    303,520.68x = 42,413,461,252.34
  5. Step 5: Solve for x
    x = 42,413,461,252.34/303,520.68
  6. Step 6: Final answer
    x = 139,738.29

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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.