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Finding the Fourth Proportional to 171,852.49, 257,695.39 and 100,798.35

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Solution

The fourth proportional to 171,852.49, 257,695.39 and 100,798.35 is: 151,148.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,852.49 : 257,695.39 = 100,798.35 : x
  2. Step 2: Convert to fraction form
    171,852.49/257,695.39 = 100,798.35/x
  3. Step 3: Cross multiply
    171,852.49x = 257,695.39 × 100,798.35
  4. Step 4: Simplify right side
    171,852.49x = 25,975,270,114.61
  5. Step 5: Solve for x
    x = 25,975,270,114.61/171,852.49
  6. Step 6: Final answer
    x = 151,148.64

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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.