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Finding the Fourth Proportional to 103,477.60, 155,243.40 and 33,358.60

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Solution

The fourth proportional to 103,477.60, 155,243.40 and 33,358.60 is: 50,046.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,477.60 : 155,243.40 = 33,358.60 : x
  2. Step 2: Convert to fraction form
    103,477.60/155,243.40 = 33,358.60/x
  3. Step 3: Cross multiply
    103,477.60x = 155,243.40 × 33,358.60
  4. Step 4: Simplify right side
    103,477.60x = 5,178,702,483.24
  5. Step 5: Solve for x
    x = 5,178,702,483.24/103,477.60
  6. Step 6: Final answer
    x = 50,046.60

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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.