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Finding the Fourth Proportional to 230,957.56, 346,465.50 and 73,129.60

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Solution

The fourth proportional to 230,957.56, 346,465.50 and 73,129.60 is: 109,703.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,957.56 : 346,465.50 = 73,129.60 : x
  2. Step 2: Convert to fraction form
    230,957.56/346,465.50 = 73,129.60/x
  3. Step 3: Cross multiply
    230,957.56x = 346,465.50 × 73,129.60
  4. Step 4: Simplify right side
    230,957.56x = 25,336,883,428.80
  5. Step 5: Solve for x
    x = 25,336,883,428.80/230,957.56
  6. Step 6: Final answer
    x = 109,703.63

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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.