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Finding the Fourth Proportional to 243,040, 364,722 and 93,403.84

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Solution

The fourth proportional to 243,040, 364,722 and 93,403.84 is: 140,168.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,040 : 364,722 = 93,403.84 : x
  2. Step 2: Convert to fraction form
    243,040/364,722 = 93,403.84/x
  3. Step 3: Cross multiply
    243,040x = 364,722 × 93,403.84
  4. Step 4: Simplify right side
    243,040x = 34,066,435,332.48
  5. Step 5: Solve for x
    x = 34,066,435,332.48/243,040
  6. Step 6: Final answer
    x = 140,168.02

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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.