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Finding the Fourth Proportional to 149,590.80, 224,386.20 and 70,858.80

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Solution

The fourth proportional to 149,590.80, 224,386.20 and 70,858.80 is: 106,288.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,590.80 : 224,386.20 = 70,858.80 : x
  2. Step 2: Convert to fraction form
    149,590.80/224,386.20 = 70,858.80/x
  3. Step 3: Cross multiply
    149,590.80x = 224,386.20 × 70,858.80
  4. Step 4: Simplify right side
    149,590.80x = 15,899,736,868.56
  5. Step 5: Solve for x
    x = 15,899,736,868.56/149,590.80
  6. Step 6: Final answer
    x = 106,288.20

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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.