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Finding the Fourth Proportional to 230,887.80, 346,158.90 and 125,825.40

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Solution

The fourth proportional to 230,887.80, 346,158.90 and 125,825.40 is: 188,643.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,887.80 : 346,158.90 = 125,825.40 : x
  2. Step 2: Convert to fraction form
    230,887.80/346,158.90 = 125,825.40/x
  3. Step 3: Cross multiply
    230,887.80x = 346,158.90 × 125,825.40
  4. Step 4: Simplify right side
    230,887.80x = 43,555,582,056.06
  5. Step 5: Solve for x
    x = 43,555,582,056.06/230,887.80
  6. Step 6: Final answer
    x = 188,643.93

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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.