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Finding the Fourth Proportional to 183,485.60, 275,401.20 and 113,501.60

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Solution

The fourth proportional to 183,485.60, 275,401.20 and 113,501.60 is: 170,359.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,485.60 : 275,401.20 = 113,501.60 : x
  2. Step 2: Convert to fraction form
    183,485.60/275,401.20 = 113,501.60/x
  3. Step 3: Cross multiply
    183,485.60x = 275,401.20 × 113,501.60
  4. Step 4: Simplify right side
    183,485.60x = 31,258,476,841.92
  5. Step 5: Solve for x
    x = 31,258,476,841.92/183,485.60
  6. Step 6: Final answer
    x = 170,359.29

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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.