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Finding the Fourth Proportional to 248,402.88, 342,840.69 and 146,422.29

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Solution

The fourth proportional to 248,402.88, 342,840.69 and 146,422.29 is: 202,089.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,402.88 : 342,840.69 = 146,422.29 : x
  2. Step 2: Convert to fraction form
    248,402.88/342,840.69 = 146,422.29/x
  3. Step 3: Cross multiply
    248,402.88x = 342,840.69 × 146,422.29
  4. Step 4: Simplify right side
    248,402.88x = 50,199,518,934.98
  5. Step 5: Solve for x
    x = 50,199,518,934.98/248,402.88
  6. Step 6: Final answer
    x = 202,089.12

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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.