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Finding the Fourth Proportional to 58,800.30, 88,200.45 and 19,361.40

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Solution

The fourth proportional to 58,800.30, 88,200.45 and 19,361.40 is: 29,042.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,800.30 : 88,200.45 = 19,361.40 : x
  2. Step 2: Convert to fraction form
    58,800.30/88,200.45 = 19,361.40/x
  3. Step 3: Cross multiply
    58,800.30x = 88,200.45 × 19,361.40
  4. Step 4: Simplify right side
    58,800.30x = 1,707,684,192.63
  5. Step 5: Solve for x
    x = 1,707,684,192.63/58,800.30
  6. Step 6: Final answer
    x = 29,042.10

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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.