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Finding the Fourth Proportional to 162,339.80, 243,336.90 and 62,461.40

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Solution

The fourth proportional to 162,339.80, 243,336.90 and 62,461.40 is: 93,625.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,339.80 : 243,336.90 = 62,461.40 : x
  2. Step 2: Convert to fraction form
    162,339.80/243,336.90 = 62,461.40/x
  3. Step 3: Cross multiply
    162,339.80x = 243,336.90 × 62,461.40
  4. Step 4: Simplify right side
    162,339.80x = 15,199,163,445.66
  5. Step 5: Solve for x
    x = 15,199,163,445.66/162,339.80
  6. Step 6: Final answer
    x = 93,625.61

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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.