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Finding the Fourth Proportional to 317,185.99, 475,832.31 and 157,269.81

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Solution

The fourth proportional to 317,185.99, 475,832.31 and 157,269.81 is: 235,931.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,185.99 : 475,832.31 = 157,269.81 : x
  2. Step 2: Convert to fraction form
    317,185.99/475,832.31 = 157,269.81/x
  3. Step 3: Cross multiply
    317,185.99x = 475,832.31 × 157,269.81
  4. Step 4: Simplify right side
    317,185.99x = 74,834,059,064.81
  5. Step 5: Solve for x
    x = 74,834,059,064.81/317,185.99
  6. Step 6: Final answer
    x = 235,931.16

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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.