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Finding the Fourth Proportional to 74,898,064.60, 112,179,135.30 and 74,898,064.60

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Solution

The fourth proportional to 74,898,064.60, 112,179,135.30 and 74,898,064.60 is: 112,179,135.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,898,064.60 : 112,179,135.30 = 74,898,064.60 : x
  2. Step 2: Convert to fraction form
    74,898,064.60/112,179,135.30 = 74,898,064.60/x
  3. Step 3: Cross multiply
    74,898,064.60x = 112,179,135.30 × 74,898,064.60
  4. Step 4: Simplify right side
    74,898,064.60x = 8,402,000,122,471,539
  5. Step 5: Solve for x
    x = 8,402,000,122,471,539/74,898,064.60
  6. Step 6: Final answer
    x = 112,179,135.30

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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.