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Finding the Fourth Proportional to 162,201.60, 243,259.20 and 49,881.60

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Solution

The fourth proportional to 162,201.60, 243,259.20 and 49,881.60 is: 74,809.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,201.60 : 243,259.20 = 49,881.60 : x
  2. Step 2: Convert to fraction form
    162,201.60/243,259.20 = 49,881.60/x
  3. Step 3: Cross multiply
    162,201.60x = 243,259.20 × 49,881.60
  4. Step 4: Simplify right side
    162,201.60x = 12,134,158,110.72
  5. Step 5: Solve for x
    x = 12,134,158,110.72/162,201.60
  6. Step 6: Final answer
    x = 74,809.11

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1.5x scale

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.