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Finding the Fourth Proportional to 170,001.40, 254,483.70 and 99,671.80

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Solution

The fourth proportional to 170,001.40, 254,483.70 and 99,671.80 is: 149,203.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,001.40 : 254,483.70 = 99,671.80 : x
  2. Step 2: Convert to fraction form
    170,001.40/254,483.70 = 99,671.80/x
  3. Step 3: Cross multiply
    170,001.40x = 254,483.70 × 99,671.80
  4. Step 4: Simplify right side
    170,001.40x = 25,364,848,449.66
  5. Step 5: Solve for x
    x = 25,364,848,449.66/170,001.40
  6. Step 6: Final answer
    x = 149,203.76

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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.