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Finding the Fourth Proportional to 162,673.94, 224,477.78 and 99,004.70

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Solution

The fourth proportional to 162,673.94, 224,477.78 and 99,004.70 is: 136,619.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,673.94 : 224,477.78 = 99,004.70 : x
  2. Step 2: Convert to fraction form
    162,673.94/224,477.78 = 99,004.70/x
  3. Step 3: Cross multiply
    162,673.94x = 224,477.78 × 99,004.70
  4. Step 4: Simplify right side
    162,673.94x = 22,224,355,265.57
  5. Step 5: Solve for x
    x = 22,224,355,265.57/162,673.94
  6. Step 6: Final answer
    x = 136,619.03

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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.