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Finding the Fourth Proportional to 162,892.80, 244,339.20 and 57,722.40

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Solution

The fourth proportional to 162,892.80, 244,339.20 and 57,722.40 is: 86,583.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,892.80 : 244,339.20 = 57,722.40 : x
  2. Step 2: Convert to fraction form
    162,892.80/244,339.20 = 57,722.40/x
  3. Step 3: Cross multiply
    162,892.80x = 244,339.20 × 57,722.40
  4. Step 4: Simplify right side
    162,892.80x = 14,103,845,038.08
  5. Step 5: Solve for x
    x = 14,103,845,038.08/162,892.80
  6. Step 6: Final answer
    x = 86,583.60

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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.