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Finding the Fourth Proportional to 180,158.83, 248,619.10 and 99,586.39

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Solution

The fourth proportional to 180,158.83, 248,619.10 and 99,586.39 is: 137,429.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,158.83 : 248,619.10 = 99,586.39 : x
  2. Step 2: Convert to fraction form
    180,158.83/248,619.10 = 99,586.39/x
  3. Step 3: Cross multiply
    180,158.83x = 248,619.10 × 99,586.39
  4. Step 4: Simplify right side
    180,158.83x = 24,759,078,654.05
  5. Step 5: Solve for x
    x = 24,759,078,654.05/180,158.83
  6. Step 6: Final answer
    x = 137,429.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.