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Finding the Fourth Proportional to 70,775.56, 105,596.33 and 56,477.44

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Solution

The fourth proportional to 70,775.56, 105,596.33 and 56,477.44 is: 84,263.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,775.56 : 105,596.33 = 56,477.44 : x
  2. Step 2: Convert to fraction form
    70,775.56/105,596.33 = 56,477.44/x
  3. Step 3: Cross multiply
    70,775.56x = 105,596.33 × 56,477.44
  4. Step 4: Simplify right side
    70,775.56x = 5,963,810,391.80
  5. Step 5: Solve for x
    x = 5,963,810,391.80/70,775.56
  6. Step 6: Final answer
    x = 84,263.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.