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Finding the Fourth Proportional to 365,063.16, 547,646.64 and 112,364.71

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Solution

The fourth proportional to 365,063.16, 547,646.64 and 112,364.71 is: 168,563.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,063.16 : 547,646.64 = 112,364.71 : x
  2. Step 2: Convert to fraction form
    365,063.16/547,646.64 = 112,364.71/x
  3. Step 3: Cross multiply
    365,063.16x = 547,646.64 × 112,364.71
  4. Step 4: Simplify right side
    365,063.16x = 61,536,155,650.80
  5. Step 5: Solve for x
    x = 61,536,155,650.80/365,063.16
  6. Step 6: Final answer
    x = 168,563.04

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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.