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Finding the Fourth Proportional to 268,677.22, 370,827.54 and 154,032.82

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Solution

The fourth proportional to 268,677.22, 370,827.54 and 154,032.82 is: 212,595.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,677.22 : 370,827.54 = 154,032.82 : x
  2. Step 2: Convert to fraction form
    268,677.22/370,827.54 = 154,032.82/x
  3. Step 3: Cross multiply
    268,677.22x = 370,827.54 × 154,032.82
  4. Step 4: Simplify right side
    268,677.22x = 57,119,611,719.86
  5. Step 5: Solve for x
    x = 57,119,611,719.86/268,677.22
  6. Step 6: Final answer
    x = 212,595.66

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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.