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Finding the Fourth Proportional to 317,072.80, 475,603.72 and 106,710.74

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Solution

The fourth proportional to 317,072.80, 475,603.72 and 106,710.74 is: 160,064.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,072.80 : 475,603.72 = 106,710.74 : x
  2. Step 2: Convert to fraction form
    317,072.80/475,603.72 = 106,710.74/x
  3. Step 3: Cross multiply
    317,072.80x = 475,603.72 × 106,710.74
  4. Step 4: Simplify right side
    317,072.80x = 50,752,025,138.51
  5. Step 5: Solve for x
    x = 50,752,025,138.51/317,072.80
  6. Step 6: Final answer
    x = 160,064.26

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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.