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Finding the Fourth Proportional to 248,396.16, 343,187.52 and 173,280

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Solution

The fourth proportional to 248,396.16, 343,187.52 and 173,280 is: 239,406.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,396.16 : 343,187.52 = 173,280 : x
  2. Step 2: Convert to fraction form
    248,396.16/343,187.52 = 173,280/x
  3. Step 3: Cross multiply
    248,396.16x = 343,187.52 × 173,280
  4. Step 4: Simplify right side
    248,396.16x = 59,467,533,465.60
  5. Step 5: Solve for x
    x = 59,467,533,465.60/248,396.16
  6. Step 6: Final answer
    x = 239,406.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.