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Finding the Fourth Proportional to 174,264.71, 261,409.55 and 72,960.82

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Solution

The fourth proportional to 174,264.71, 261,409.55 and 72,960.82 is: 109,446.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    174,264.71 : 261,409.55 = 72,960.82 : x
  2. Step 2: Convert to fraction form
    174,264.71/261,409.55 = 72,960.82/x
  3. Step 3: Cross multiply
    174,264.71x = 261,409.55 × 72,960.82
  4. Step 4: Simplify right side
    174,264.71x = 19,072,654,652.71
  5. Step 5: Solve for x
    x = 19,072,654,652.71/174,264.71
  6. Step 6: Final answer
    x = 109,446.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.