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Finding the Fourth Proportional to 262,254.81, 361,913.01 and 154,877.76

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Solution

The fourth proportional to 262,254.81, 361,913.01 and 154,877.76 is: 213,732.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,254.81 : 361,913.01 = 154,877.76 : x
  2. Step 2: Convert to fraction form
    262,254.81/361,913.01 = 154,877.76/x
  3. Step 3: Cross multiply
    262,254.81x = 361,913.01 × 154,877.76
  4. Step 4: Simplify right side
    262,254.81x = 56,052,276,303.66
  5. Step 5: Solve for x
    x = 56,052,276,303.66/262,254.81
  6. Step 6: Final answer
    x = 213,732.12

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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.