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Finding the Fourth Proportional to 162,674.94, 224,479.16 and 99,005.70

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Solution

The fourth proportional to 162,674.94, 224,479.16 and 99,005.70 is: 136,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,674.94 : 224,479.16 = 99,005.70 : x
  2. Step 2: Convert to fraction form
    162,674.94/224,479.16 = 99,005.70/x
  3. Step 3: Cross multiply
    162,674.94x = 224,479.16 × 99,005.70
  4. Step 4: Simplify right side
    162,674.94x = 22,224,716,371.21
  5. Step 5: Solve for x
    x = 22,224,716,371.21/162,674.94
  6. Step 6: Final answer
    x = 136,620.41

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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.