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Finding the Fourth Proportional to 74,322.94, 111,539.08 and 49,354.70

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Solution

The fourth proportional to 74,322.94, 111,539.08 and 49,354.70 is: 74,068.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,322.94 : 111,539.08 = 49,354.70 : x
  2. Step 2: Convert to fraction form
    74,322.94/111,539.08 = 49,354.70/x
  3. Step 3: Cross multiply
    74,322.94x = 111,539.08 × 49,354.70
  4. Step 4: Simplify right side
    74,322.94x = 5,504,977,831.68
  5. Step 5: Solve for x
    x = 5,504,977,831.68/74,322.94
  6. Step 6: Final answer
    x = 74,068.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.