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Finding the Fourth Proportional to 117,144.40, 175,454.10 and 70,300.48

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Solution

The fourth proportional to 117,144.40, 175,454.10 and 70,300.48 is: 105,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,144.40 : 175,454.10 = 70,300.48 : x
  2. Step 2: Convert to fraction form
    117,144.40/175,454.10 = 70,300.48/x
  3. Step 3: Cross multiply
    117,144.40x = 175,454.10 × 70,300.48
  4. Step 4: Simplify right side
    117,144.40x = 12,334,507,447.97
  5. Step 5: Solve for x
    x = 12,334,507,447.97/117,144.40
  6. Step 6: Final answer
    x = 105,293.19

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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.