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Finding the Fourth Proportional to 73,420.86, 110,019.18 and 54,609.93

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Solution

The fourth proportional to 73,420.86, 110,019.18 and 54,609.93 is: 81,831.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,420.86 : 110,019.18 = 54,609.93 : x
  2. Step 2: Convert to fraction form
    73,420.86/110,019.18 = 54,609.93/x
  3. Step 3: Cross multiply
    73,420.86x = 110,019.18 × 54,609.93
  4. Step 4: Simplify right side
    73,420.86x = 6,008,139,616.06
  5. Step 5: Solve for x
    x = 6,008,139,616.06/73,420.86
  6. Step 6: Final answer
    x = 81,831.50

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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.