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Finding the Fourth Proportional to 58,903.20, 88,225.20 and 51,127.20

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Solution

The fourth proportional to 58,903.20, 88,225.20 and 51,127.20 is: 76,578.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,903.20 : 88,225.20 = 51,127.20 : x
  2. Step 2: Convert to fraction form
    58,903.20/88,225.20 = 51,127.20/x
  3. Step 3: Cross multiply
    58,903.20x = 88,225.20 × 51,127.20
  4. Step 4: Simplify right side
    58,903.20x = 4,510,707,445.44
  5. Step 5: Solve for x
    x = 4,510,707,445.44/58,903.20
  6. Step 6: Final answer
    x = 76,578.31

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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.