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Finding the Fourth Proportional to 162,161.60, 243,242.39 and 73,413.14

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Solution

The fourth proportional to 162,161.60, 243,242.39 and 73,413.14 is: 110,119.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,161.60 : 243,242.39 = 73,413.14 : x
  2. Step 2: Convert to fraction form
    162,161.60/243,242.39 = 73,413.14/x
  3. Step 3: Cross multiply
    162,161.60x = 243,242.39 × 73,413.14
  4. Step 4: Simplify right side
    162,161.60x = 17,857,186,598.33
  5. Step 5: Solve for x
    x = 17,857,186,598.33/162,161.60
  6. Step 6: Final answer
    x = 110,119.70

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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.