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Finding the Fourth Proportional to 230,580, 318,200.40 and 124,596

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Solution

The fourth proportional to 230,580, 318,200.40 and 124,596 is: 171,942.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    230,580 : 318,200.40 = 124,596 : x
  2. Step 2: Convert to fraction form
    230,580/318,200.40 = 124,596/x
  3. Step 3: Cross multiply
    230,580x = 318,200.40 × 124,596
  4. Step 4: Simplify right side
    230,580x = 39,646,497,038.40
  5. Step 5: Solve for x
    x = 39,646,497,038.40/230,580
  6. Step 6: Final answer
    x = 171,942.48

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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.