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Finding the Fourth Proportional to 201,069.60, 301,647.60 and 60,842.40

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Solution

The fourth proportional to 201,069.60, 301,647.60 and 60,842.40 is: 91,276.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,069.60 : 301,647.60 = 60,842.40 : x
  2. Step 2: Convert to fraction form
    201,069.60/301,647.60 = 60,842.40/x
  3. Step 3: Cross multiply
    201,069.60x = 301,647.60 × 60,842.40
  4. Step 4: Simplify right side
    201,069.60x = 18,352,963,938.24
  5. Step 5: Solve for x
    x = 18,352,963,938.24/201,069.60
  6. Step 6: Final answer
    x = 91,276.67

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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.