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Finding the Fourth Proportional to 179,103.60, 268,266.60 and 147,999.60

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Solution

The fourth proportional to 179,103.60, 268,266.60 and 147,999.60 is: 221,678.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,103.60 : 268,266.60 = 147,999.60 : x
  2. Step 2: Convert to fraction form
    179,103.60/268,266.60 = 147,999.60/x
  3. Step 3: Cross multiply
    179,103.60x = 268,266.60 × 147,999.60
  4. Step 4: Simplify right side
    179,103.60x = 39,703,349,493.36
  5. Step 5: Solve for x
    x = 39,703,349,493.36/179,103.60
  6. Step 6: Final answer
    x = 221,678.12

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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.