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Finding the Fourth Proportional to 60,892,273.80, 91,338,410.70 and 54,845,656.20

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Solution

The fourth proportional to 60,892,273.80, 91,338,410.70 and 54,845,656.20 is: 82,268,484.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,892,273.80 : 91,338,410.70 = 54,845,656.20 : x
  2. Step 2: Convert to fraction form
    60,892,273.80/91,338,410.70 = 54,845,656.20/x
  3. Step 3: Cross multiply
    60,892,273.80x = 91,338,410.70 × 54,845,656.20
  4. Step 4: Simplify right side
    60,892,273.80x = 5,009,515,071,106,602
  5. Step 5: Solve for x
    x = 5,009,515,071,106,602/60,892,273.80
  6. Step 6: Final answer
    x = 82,268,484.30

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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.