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Finding the Fourth Proportional to 315,600.30, 473,400.45 and 102,367.80

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Solution

The fourth proportional to 315,600.30, 473,400.45 and 102,367.80 is: 153,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,600.30 : 473,400.45 = 102,367.80 : x
  2. Step 2: Convert to fraction form
    315,600.30/473,400.45 = 102,367.80/x
  3. Step 3: Cross multiply
    315,600.30x = 473,400.45 × 102,367.80
  4. Step 4: Simplify right side
    315,600.30x = 48,460,962,585.51
  5. Step 5: Solve for x
    x = 48,460,962,585.51/315,600.30
  6. Step 6: Final answer
    x = 153,551.70

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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.