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Finding the Fourth Proportional to 149,673.70, 224,619.90 and 99,737.20

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Solution

The fourth proportional to 149,673.70, 224,619.90 and 99,737.20 is: 149,678.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,673.70 : 224,619.90 = 99,737.20 : x
  2. Step 2: Convert to fraction form
    149,673.70/224,619.90 = 99,737.20/x
  3. Step 3: Cross multiply
    149,673.70x = 224,619.90 × 99,737.20
  4. Step 4: Simplify right side
    149,673.70x = 22,402,959,890.28
  5. Step 5: Solve for x
    x = 22,402,959,890.28/149,673.70
  6. Step 6: Final answer
    x = 149,678.67

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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.