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Finding the Fourth Proportional to 162,648.96, 243,970.56 and 62,831.04

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Solution

The fourth proportional to 162,648.96, 243,970.56 and 62,831.04 is: 94,245.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,648.96 : 243,970.56 = 62,831.04 : x
  2. Step 2: Convert to fraction form
    162,648.96/243,970.56 = 62,831.04/x
  3. Step 3: Cross multiply
    162,648.96x = 243,970.56 × 62,831.04
  4. Step 4: Simplify right side
    162,648.96x = 15,328,924,014.18
  5. Step 5: Solve for x
    x = 15,328,924,014.18/162,648.96
  6. Step 6: Final answer
    x = 94,245.45

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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.