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Finding the Fourth Proportional to 62,407.40, 93,513.90 and 54,048.20

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Solution

The fourth proportional to 62,407.40, 93,513.90 and 54,048.20 is: 80,988.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,407.40 : 93,513.90 = 54,048.20 : x
  2. Step 2: Convert to fraction form
    62,407.40/93,513.90 = 54,048.20/x
  3. Step 3: Cross multiply
    62,407.40x = 93,513.90 × 54,048.20
  4. Step 4: Simplify right side
    62,407.40x = 5,054,257,969.98
  5. Step 5: Solve for x
    x = 5,054,257,969.98/62,407.40
  6. Step 6: Final answer
    x = 80,988.12

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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.