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Finding the Fourth Proportional to 103,312.86, 154,968.21 and 33,192.24

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Solution

The fourth proportional to 103,312.86, 154,968.21 and 33,192.24 is: 49,788.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,312.86 : 154,968.21 = 33,192.24 : x
  2. Step 2: Convert to fraction form
    103,312.86/154,968.21 = 33,192.24/x
  3. Step 3: Cross multiply
    103,312.86x = 154,968.21 × 33,192.24
  4. Step 4: Simplify right side
    103,312.86x = 5,143,742,018.69
  5. Step 5: Solve for x
    x = 5,143,742,018.69/103,312.86
  6. Step 6: Final answer
    x = 49,788.01

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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.