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Finding the Fourth Proportional to 174,967.30, 262,450.95 and 139,975.30

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Solution

The fourth proportional to 174,967.30, 262,450.95 and 139,975.30 is: 209,962.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,967.30 : 262,450.95 = 139,975.30 : x
  2. Step 2: Convert to fraction form
    174,967.30/262,450.95 = 139,975.30/x
  3. Step 3: Cross multiply
    174,967.30x = 262,450.95 × 139,975.30
  4. Step 4: Simplify right side
    174,967.30x = 36,736,650,461.54
  5. Step 5: Solve for x
    x = 36,736,650,461.54/174,967.30
  6. Step 6: Final answer
    x = 209,962.95

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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.