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Finding the Fourth Proportional to 315,100.60, 472,594.77 and 125,545.07

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Solution

The fourth proportional to 315,100.60, 472,594.77 and 125,545.07 is: 188,295.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,100.60 : 472,594.77 = 125,545.07 : x
  2. Step 2: Convert to fraction form
    315,100.60/472,594.77 = 125,545.07/x
  3. Step 3: Cross multiply
    315,100.60x = 472,594.77 × 125,545.07
  4. Step 4: Simplify right side
    315,100.60x = 59,331,944,662.77
  5. Step 5: Solve for x
    x = 59,331,944,662.77/315,100.60
  6. Step 6: Final answer
    x = 188,295.25

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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.