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Finding the Fourth Proportional to 79,907.94, 110,314.42 and 58,373.51

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Solution

The fourth proportional to 79,907.94, 110,314.42 and 58,373.51 is: 80,585.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,907.94 : 110,314.42 = 58,373.51 : x
  2. Step 2: Convert to fraction form
    79,907.94/110,314.42 = 58,373.51/x
  3. Step 3: Cross multiply
    79,907.94x = 110,314.42 × 58,373.51
  4. Step 4: Simplify right side
    79,907.94x = 6,439,439,201.51
  5. Step 5: Solve for x
    x = 6,439,439,201.51/79,907.94
  6. Step 6: Final answer
    x = 80,585.72

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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.