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Finding the Fourth Proportional to 147,594.89, 221,289.62 and 65,391.46

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Solution

The fourth proportional to 147,594.89, 221,289.62 and 65,391.46 is: 98,041.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,594.89 : 221,289.62 = 65,391.46 : x
  2. Step 2: Convert to fraction form
    147,594.89/221,289.62 = 65,391.46/x
  3. Step 3: Cross multiply
    147,594.89x = 221,289.62 × 65,391.46
  4. Step 4: Simplify right side
    147,594.89x = 14,470,450,454.46
  5. Step 5: Solve for x
    x = 14,470,450,454.46/147,594.89
  6. Step 6: Final answer
    x = 98,041.67

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1.5x scale

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.