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Finding the Fourth Proportional to 317,776.64, 476,673.60 and 96,160.64

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Solution

The fourth proportional to 317,776.64, 476,673.60 and 96,160.64 is: 144,243.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,776.64 : 476,673.60 = 96,160.64 : x
  2. Step 2: Convert to fraction form
    317,776.64/476,673.60 = 96,160.64/x
  3. Step 3: Cross multiply
    317,776.64x = 476,673.60 × 96,160.64
  4. Step 4: Simplify right side
    317,776.64x = 45,837,238,447.10
  5. Step 5: Solve for x
    x = 45,837,238,447.10/317,776.64
  6. Step 6: Final answer
    x = 144,243.57

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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.