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Finding the Fourth Proportional to 317,239.52, 475,887.32 and 89,537.16

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Solution

The fourth proportional to 317,239.52, 475,887.32 and 89,537.16 is: 134,313.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,239.52 : 475,887.32 = 89,537.16 : x
  2. Step 2: Convert to fraction form
    317,239.52/475,887.32 = 89,537.16/x
  3. Step 3: Cross multiply
    317,239.52x = 475,887.32 × 89,537.16
  4. Step 4: Simplify right side
    317,239.52x = 42,609,600,785.47
  5. Step 5: Solve for x
    x = 42,609,600,785.47/317,239.52
  6. Step 6: Final answer
    x = 134,313.66

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1.5x scale

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.