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Finding the Fourth Proportional to 68,472,563.92, 94,437,041.02 and 60,194,927.48

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Solution

The fourth proportional to 68,472,563.92, 94,437,041.02 and 60,194,927.48 is: 83,020,563.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,472,563.92 : 94,437,041.02 = 60,194,927.48 : x
  2. Step 2: Convert to fraction form
    68,472,563.92/94,437,041.02 = 60,194,927.48/x
  3. Step 3: Cross multiply
    68,472,563.92x = 94,437,041.02 × 60,194,927.48
  4. Step 4: Simplify right side
    68,472,563.92x = 5,684,630,835,002,013
  5. Step 5: Solve for x
    x = 5,684,630,835,002,013/68,472,563.92
  6. Step 6: Final answer
    x = 83,020,563.42

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.