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Finding the Fourth Proportional to 74,307,410.40, 111,248,539.20 and 74,307,410.40

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Solution

The fourth proportional to 74,307,410.40, 111,248,539.20 and 74,307,410.40 is: 111,248,539.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,307,410.40 : 111,248,539.20 = 74,307,410.40 : x
  2. Step 2: Convert to fraction form
    74,307,410.40/111,248,539.20 = 74,307,410.40/x
  3. Step 3: Cross multiply
    74,307,410.40x = 111,248,539.20 × 74,307,410.40
  4. Step 4: Simplify right side
    74,307,410.40x = 8,266,590,858,734,889
  5. Step 5: Solve for x
    x = 8,266,590,858,734,889/74,307,410.40
  6. Step 6: Final answer
    x = 111,248,539.20

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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.