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Finding the Fourth Proportional to 162,658.30, 243,927.08 and 56,012.48

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Solution

The fourth proportional to 162,658.30, 243,927.08 and 56,012.48 is: 83,997.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,658.30 : 243,927.08 = 56,012.48 : x
  2. Step 2: Convert to fraction form
    162,658.30/243,927.08 = 56,012.48/x
  3. Step 3: Cross multiply
    162,658.30x = 243,927.08 × 56,012.48
  4. Step 4: Simplify right side
    162,658.30x = 13,662,960,689.96
  5. Step 5: Solve for x
    x = 13,662,960,689.96/162,658.30
  6. Step 6: Final answer
    x = 83,997.93

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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.