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Finding the Fourth Proportional to 74,367, 102,631.95 and 46,078.20

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Solution

The fourth proportional to 74,367, 102,631.95 and 46,078.20 is: 63,591.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,367 : 102,631.95 = 46,078.20 : x
  2. Step 2: Convert to fraction form
    74,367/102,631.95 = 46,078.20/x
  3. Step 3: Cross multiply
    74,367x = 102,631.95 × 46,078.20
  4. Step 4: Simplify right side
    74,367x = 4,729,095,518.49
  5. Step 5: Solve for x
    x = 4,729,095,518.49/74,367
  6. Step 6: Final answer
    x = 63,591.32

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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.