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Finding the Fourth Proportional to 245,038.34, 367,580.20 and 95,289.90

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Solution

The fourth proportional to 245,038.34, 367,580.20 and 95,289.90 is: 142,943.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,038.34 : 367,580.20 = 95,289.90 : x
  2. Step 2: Convert to fraction form
    245,038.34/367,580.20 = 95,289.90/x
  3. Step 3: Cross multiply
    245,038.34x = 367,580.20 × 95,289.90
  4. Step 4: Simplify right side
    245,038.34x = 35,026,680,499.98
  5. Step 5: Solve for x
    x = 35,026,680,499.98/245,038.34
  6. Step 6: Final answer
    x = 142,943.67

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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.