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Finding the Fourth Proportional to 269,894.64, 372,457.56 and 149,035.76

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Solution

The fourth proportional to 269,894.64, 372,457.56 and 149,035.76 is: 205,670.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,894.64 : 372,457.56 = 149,035.76 : x
  2. Step 2: Convert to fraction form
    269,894.64/372,457.56 = 149,035.76/x
  3. Step 3: Cross multiply
    269,894.64x = 372,457.56 × 149,035.76
  4. Step 4: Simplify right side
    269,894.64x = 55,509,495,522.35
  5. Step 5: Solve for x
    x = 55,509,495,522.35/269,894.64
  6. Step 6: Final answer
    x = 205,670.98

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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.