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Finding the Fourth Proportional to 267,688.51, 369,420.48 and 146,834.89

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Solution

The fourth proportional to 267,688.51, 369,420.48 and 146,834.89 is: 202,637.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,688.51 : 369,420.48 = 146,834.89 : x
  2. Step 2: Convert to fraction form
    267,688.51/369,420.48 = 146,834.89/x
  3. Step 3: Cross multiply
    267,688.51x = 369,420.48 × 146,834.89
  4. Step 4: Simplify right side
    267,688.51x = 54,243,814,621.00
  5. Step 5: Solve for x
    x = 54,243,814,621.00/267,688.51
  6. Step 6: Final answer
    x = 202,637.82

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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.