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Finding the Fourth Proportional to 242,059.86, 334,019.21 and 140,064.98

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Solution

The fourth proportional to 242,059.86, 334,019.21 and 140,064.98 is: 193,276.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,059.86 : 334,019.21 = 140,064.98 : x
  2. Step 2: Convert to fraction form
    242,059.86/334,019.21 = 140,064.98/x
  3. Step 3: Cross multiply
    242,059.86x = 334,019.21 × 140,064.98
  4. Step 4: Simplify right side
    242,059.86x = 46,784,391,597.84
  5. Step 5: Solve for x
    x = 46,784,391,597.84/242,059.86
  6. Step 6: Final answer
    x = 193,276.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.