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Finding the Fourth Proportional to 68,332.56, 94,269.86 and 42,821.56

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Solution

The fourth proportional to 68,332.56, 94,269.86 and 42,821.56 is: 59,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,332.56 : 94,269.86 = 42,821.56 : x
  2. Step 2: Convert to fraction form
    68,332.56/94,269.86 = 42,821.56/x
  3. Step 3: Cross multiply
    68,332.56x = 94,269.86 × 42,821.56
  4. Step 4: Simplify right side
    68,332.56x = 4,036,782,466.18
  5. Step 5: Solve for x
    x = 4,036,782,466.18/68,332.56
  6. Step 6: Final answer
    x = 59,075.54

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1.5x scale

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.