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Finding the Fourth Proportional to 274,815,625.60, 412,223,173.44 and 70,343,374.72

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Solution

The fourth proportional to 274,815,625.60, 412,223,173.44 and 70,343,374.72 is: 105,514,994.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,815,625.60 : 412,223,173.44 = 70,343,374.72 : x
  2. Step 2: Convert to fraction form
    274,815,625.60/412,223,173.44 = 70,343,374.72/x
  3. Step 3: Cross multiply
    274,815,625.60x = 412,223,173.44 × 70,343,374.72
  4. Step 4: Simplify right side
    274,815,625.60x = 28,997,169,157,557,472
  5. Step 5: Solve for x
    x = 28,997,169,157,557,472/274,815,625.60
  6. Step 6: Final answer
    x = 105,514,994.26

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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.