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Finding the Fourth Proportional to 183,478.60, 274,889.85 and 155,266.30

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Solution

The fourth proportional to 183,478.60, 274,889.85 and 155,266.30 is: 232,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,478.60 : 274,889.85 = 155,266.30 : x
  2. Step 2: Convert to fraction form
    183,478.60/274,889.85 = 155,266.30/x
  3. Step 3: Cross multiply
    183,478.60x = 274,889.85 × 155,266.30
  4. Step 4: Simplify right side
    183,478.60x = 42,681,129,917.06
  5. Step 5: Solve for x
    x = 42,681,129,917.06/183,478.60
  6. Step 6: Final answer
    x = 232,621.84

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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.