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Finding the Fourth Proportional to 267,656.81, 369,270.50 and 152,852.67

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Solution

The fourth proportional to 267,656.81, 369,270.50 and 152,852.67 is: 210,881.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,656.81 : 369,270.50 = 152,852.67 : x
  2. Step 2: Convert to fraction form
    267,656.81/369,270.50 = 152,852.67/x
  3. Step 3: Cross multiply
    267,656.81x = 369,270.50 × 152,852.67
  4. Step 4: Simplify right side
    267,656.81x = 56,443,981,112.97
  5. Step 5: Solve for x
    x = 56,443,981,112.97/267,656.81
  6. Step 6: Final answer
    x = 210,881.92

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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.