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Finding the Fourth Proportional to 292,674.42, 439,004.76 and 134,902.86

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Solution

The fourth proportional to 292,674.42, 439,004.76 and 134,902.86 is: 202,351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,674.42 : 439,004.76 = 134,902.86 : x
  2. Step 2: Convert to fraction form
    292,674.42/439,004.76 = 134,902.86/x
  3. Step 3: Cross multiply
    292,674.42x = 439,004.76 × 134,902.86
  4. Step 4: Simplify right side
    292,674.42x = 59,222,997,677.61
  5. Step 5: Solve for x
    x = 59,222,997,677.61/292,674.42
  6. Step 6: Final answer
    x = 202,351.12

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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.