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Finding the Fourth Proportional to 88,776.87, 122,556.27 and 54,804.08

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Solution

The fourth proportional to 88,776.87, 122,556.27 and 54,804.08 is: 75,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,776.87 : 122,556.27 = 54,804.08 : x
  2. Step 2: Convert to fraction form
    88,776.87/122,556.27 = 54,804.08/x
  3. Step 3: Cross multiply
    88,776.87x = 122,556.27 × 54,804.08
  4. Step 4: Simplify right side
    88,776.87x = 6,716,583,726.46
  5. Step 5: Solve for x
    x = 6,716,583,726.46/88,776.87
  6. Step 6: Final answer
    x = 75,656.91

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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.