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Finding the Fourth Proportional to 92,794.37, 128,058.71 and 50,352.93

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Solution

The fourth proportional to 92,794.37, 128,058.71 and 50,352.93 is: 69,488.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,794.37 : 128,058.71 = 50,352.93 : x
  2. Step 2: Convert to fraction form
    92,794.37/128,058.71 = 50,352.93/x
  3. Step 3: Cross multiply
    92,794.37x = 128,058.71 × 50,352.93
  4. Step 4: Simplify right side
    92,794.37x = 6,448,131,008.76
  5. Step 5: Solve for x
    x = 6,448,131,008.76/92,794.37
  6. Step 6: Final answer
    x = 69,488.39

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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.