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Finding the Fourth Proportional to 167,655.40, 251,396.70 and 62,420.20

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Solution

The fourth proportional to 167,655.40, 251,396.70 and 62,420.20 is: 93,598.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,655.40 : 251,396.70 = 62,420.20 : x
  2. Step 2: Convert to fraction form
    167,655.40/251,396.70 = 62,420.20/x
  3. Step 3: Cross multiply
    167,655.40x = 251,396.70 × 62,420.20
  4. Step 4: Simplify right side
    167,655.40x = 15,692,232,293.34
  5. Step 5: Solve for x
    x = 15,692,232,293.34/167,655.40
  6. Step 6: Final answer
    x = 93,598.13

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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.