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Finding the Fourth Proportional to 248,551.60, 343,025.06 and 153,114.16

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Solution

The fourth proportional to 248,551.60, 343,025.06 and 153,114.16 is: 211,312.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,551.60 : 343,025.06 = 153,114.16 : x
  2. Step 2: Convert to fraction form
    248,551.60/343,025.06 = 153,114.16/x
  3. Step 3: Cross multiply
    248,551.60x = 343,025.06 × 153,114.16
  4. Step 4: Simplify right side
    248,551.60x = 52,521,993,920.85
  5. Step 5: Solve for x
    x = 52,521,993,920.85/248,551.60
  6. Step 6: Final answer
    x = 211,312.23

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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.