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Finding the Fourth Proportional to 162,674.71, 224,491.06 and 91,054.74

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Solution

The fourth proportional to 162,674.71, 224,491.06 and 91,054.74 is: 125,655.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,674.71 : 224,491.06 = 91,054.74 : x
  2. Step 2: Convert to fraction form
    162,674.71/224,491.06 = 91,054.74/x
  3. Step 3: Cross multiply
    162,674.71x = 224,491.06 × 91,054.74
  4. Step 4: Simplify right side
    162,674.71x = 20,440,976,056.28
  5. Step 5: Solve for x
    x = 20,440,976,056.28/162,674.71
  6. Step 6: Final answer
    x = 125,655.53

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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.