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Finding the Fourth Proportional to 175,265.40, 262,962.90 and 56,940.60

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Solution

The fourth proportional to 175,265.40, 262,962.90 and 56,940.60 is: 85,431.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,265.40 : 262,962.90 = 56,940.60 : x
  2. Step 2: Convert to fraction form
    175,265.40/262,962.90 = 56,940.60/x
  3. Step 3: Cross multiply
    175,265.40x = 262,962.90 × 56,940.60
  4. Step 4: Simplify right side
    175,265.40x = 14,973,265,303.74
  5. Step 5: Solve for x
    x = 14,973,265,303.74/175,265.40
  6. Step 6: Final answer
    x = 85,431.95

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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.