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Finding the Fourth Proportional to 248,120.94, 371,581.90 and 141,180.90

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Solution

The fourth proportional to 248,120.94, 371,581.90 and 141,180.90 is: 211,430.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,120.94 : 371,581.90 = 141,180.90 : x
  2. Step 2: Convert to fraction form
    248,120.94/371,581.90 = 141,180.90/x
  3. Step 3: Cross multiply
    248,120.94x = 371,581.90 × 141,180.90
  4. Step 4: Simplify right side
    248,120.94x = 52,460,264,501.90
  5. Step 5: Solve for x
    x = 52,460,264,501.90/248,120.94
  6. Step 6: Final answer
    x = 211,430.22

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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.