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Finding the Fourth Proportional to 173,015.84, 238,762.68 and 101,396.36

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Solution

The fourth proportional to 173,015.84, 238,762.68 and 101,396.36 is: 139,927.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,015.84 : 238,762.68 = 101,396.36 : x
  2. Step 2: Convert to fraction form
    173,015.84/238,762.68 = 101,396.36/x
  3. Step 3: Cross multiply
    173,015.84x = 238,762.68 × 101,396.36
  4. Step 4: Simplify right side
    173,015.84x = 24,209,666,655.84
  5. Step 5: Solve for x
    x = 24,209,666,655.84/173,015.84
  6. Step 6: Final answer
    x = 139,927.46

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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.