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Finding the Fourth Proportional to 245,007.60, 367,554.60 and 87,327.60

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Solution

The fourth proportional to 245,007.60, 367,554.60 and 87,327.60 is: 131,006.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,007.60 : 367,554.60 = 87,327.60 : x
  2. Step 2: Convert to fraction form
    245,007.60/367,554.60 = 87,327.60/x
  3. Step 3: Cross multiply
    245,007.60x = 367,554.60 × 87,327.60
  4. Step 4: Simplify right side
    245,007.60x = 32,097,661,086.96
  5. Step 5: Solve for x
    x = 32,097,661,086.96/245,007.60
  6. Step 6: Final answer
    x = 131,006.80

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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.