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Finding the Fourth Proportional to 170,325.77, 253,478.15 and 164,649.82

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Solution

The fourth proportional to 170,325.77, 253,478.15 and 164,649.82 is: 245,031.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    170,325.77 : 253,478.15 = 164,649.82 : x
  2. Step 2: Convert to fraction form
    170,325.77/253,478.15 = 164,649.82/x
  3. Step 3: Cross multiply
    170,325.77x = 253,478.15 × 164,649.82
  4. Step 4: Simplify right side
    170,325.77x = 41,735,130,948.18
  5. Step 5: Solve for x
    x = 41,735,130,948.18/170,325.77
  6. Step 6: Final answer
    x = 245,031.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.