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Finding the Fourth Proportional to 49,005,318.80, 73,507,978.20 and 41,352,568.40

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Solution

The fourth proportional to 49,005,318.80, 73,507,978.20 and 41,352,568.40 is: 62,028,852.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,005,318.80 : 73,507,978.20 = 41,352,568.40 : x
  2. Step 2: Convert to fraction form
    49,005,318.80/73,507,978.20 = 41,352,568.40/x
  3. Step 3: Cross multiply
    49,005,318.80x = 73,507,978.20 × 41,352,568.40
  4. Step 4: Simplify right side
    49,005,318.80x = 3,039,743,696,461,209
  5. Step 5: Solve for x
    x = 3,039,743,696,461,209/49,005,318.80
  6. Step 6: Final answer
    x = 62,028,852.60

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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.