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Finding the Fourth Proportional to 68,388.51, 102,630.95 and 24,018.72

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Solution

The fourth proportional to 68,388.51, 102,630.95 and 24,018.72 is: 36,045.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,388.51 : 102,630.95 = 24,018.72 : x
  2. Step 2: Convert to fraction form
    68,388.51/102,630.95 = 24,018.72/x
  3. Step 3: Cross multiply
    68,388.51x = 102,630.95 × 24,018.72
  4. Step 4: Simplify right side
    68,388.51x = 2,465,064,051.38
  5. Step 5: Solve for x
    x = 2,465,064,051.38/68,388.51
  6. Step 6: Final answer
    x = 36,045.00

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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.