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Finding the Fourth Proportional to 235,570, 325,089.84 and 134,968

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Solution

The fourth proportional to 235,570, 325,089.84 and 134,968 is: 186,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,570 : 325,089.84 = 134,968 : x
  2. Step 2: Convert to fraction form
    235,570/325,089.84 = 134,968/x
  3. Step 3: Cross multiply
    235,570x = 325,089.84 × 134,968
  4. Step 4: Simplify right side
    235,570x = 43,876,725,525.12
  5. Step 5: Solve for x
    x = 43,876,725,525.12/235,570
  6. Step 6: Final answer
    x = 186,257.70

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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.