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Finding the Fourth Proportional to 162,011.52, 243,024.64 and 49,683.52

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Solution

The fourth proportional to 162,011.52, 243,024.64 and 49,683.52 is: 74,527.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,011.52 : 243,024.64 = 49,683.52 : x
  2. Step 2: Convert to fraction form
    162,011.52/243,024.64 = 49,683.52/x
  3. Step 3: Cross multiply
    162,011.52x = 243,024.64 × 49,683.52
  4. Step 4: Simplify right side
    162,011.52x = 12,074,319,561.93
  5. Step 5: Solve for x
    x = 12,074,319,561.93/162,011.52
  6. Step 6: Final answer
    x = 74,527.54

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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.