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Finding the Fourth Proportional to 231,192.80, 346,798.80 and 73,416.80

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Solution

The fourth proportional to 231,192.80, 346,798.80 and 73,416.80 is: 110,128.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,192.80 : 346,798.80 = 73,416.80 : x
  2. Step 2: Convert to fraction form
    231,192.80/346,798.80 = 73,416.80/x
  3. Step 3: Cross multiply
    231,192.80x = 346,798.80 × 73,416.80
  4. Step 4: Simplify right side
    231,192.80x = 25,460,858,139.84
  5. Step 5: Solve for x
    x = 25,460,858,139.84/231,192.80
  6. Step 6: Final answer
    x = 110,128.25

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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.