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Finding the Fourth Proportional to 175,265.20, 262,962.60 and 70,159.60

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Solution

The fourth proportional to 175,265.20, 262,962.60 and 70,159.60 is: 105,265.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,265.20 : 262,962.60 = 70,159.60 : x
  2. Step 2: Convert to fraction form
    175,265.20/262,962.60 = 70,159.60/x
  3. Step 3: Cross multiply
    175,265.20x = 262,962.60 × 70,159.60
  4. Step 4: Simplify right side
    175,265.20x = 18,449,350,830.96
  5. Step 5: Solve for x
    x = 18,449,350,830.96/175,265.20
  6. Step 6: Final answer
    x = 105,265.34

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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.