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Finding the Fourth Proportional to 248,673.18, 343,148.50 and 146,702.93

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Solution

The fourth proportional to 248,673.18, 343,148.50 and 146,702.93 is: 202,437.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,673.18 : 343,148.50 = 146,702.93 : x
  2. Step 2: Convert to fraction form
    248,673.18/343,148.50 = 146,702.93/x
  3. Step 3: Cross multiply
    248,673.18x = 343,148.50 × 146,702.93
  4. Step 4: Simplify right side
    248,673.18x = 50,340,892,220.61
  5. Step 5: Solve for x
    x = 50,340,892,220.61/248,673.18
  6. Step 6: Final answer
    x = 202,437.97

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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.