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Finding the Fourth Proportional to 94,782, 130,798.66 and 52,340.52

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Solution

The fourth proportional to 94,782, 130,798.66 and 52,340.52 is: 72,229.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,782 : 130,798.66 = 52,340.52 : x
  2. Step 2: Convert to fraction form
    94,782/130,798.66 = 52,340.52/x
  3. Step 3: Cross multiply
    94,782x = 130,798.66 × 52,340.52
  4. Step 4: Simplify right side
    94,782x = 6,846,069,879.70
  5. Step 5: Solve for x
    x = 6,846,069,879.70/94,782
  6. Step 6: Final answer
    x = 72,229.64

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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.