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Finding the Fourth Proportional to 148,219.70, 222,335.70 and 43,038.67

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Solution

The fourth proportional to 148,219.70, 222,335.70 and 43,038.67 is: 64,559.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,219.70 : 222,335.70 = 43,038.67 : x
  2. Step 2: Convert to fraction form
    148,219.70/222,335.70 = 43,038.67/x
  3. Step 3: Cross multiply
    148,219.70x = 222,335.70 × 43,038.67
  4. Step 4: Simplify right side
    148,219.70x = 9,569,032,390.07
  5. Step 5: Solve for x
    x = 9,569,032,390.07/148,219.70
  6. Step 6: Final answer
    x = 64,559.79

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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.