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Finding the Fourth Proportional to 162,217.80, 243,349.99 and 49,907.45

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Solution

The fourth proportional to 162,217.80, 243,349.99 and 49,907.45 is: 74,868.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,217.80 : 243,349.99 = 49,907.45 : x
  2. Step 2: Convert to fraction form
    162,217.80/243,349.99 = 49,907.45/x
  3. Step 3: Cross multiply
    162,217.80x = 243,349.99 × 49,907.45
  4. Step 4: Simplify right side
    162,217.80x = 12,144,977,942.03
  5. Step 5: Solve for x
    x = 12,144,977,942.03/162,217.80
  6. Step 6: Final answer
    x = 74,868.34

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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.