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Finding the Fourth Proportional to 68,889,114.60, 103,333,671.90 and 63,627,848.70

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Solution

The fourth proportional to 68,889,114.60, 103,333,671.90 and 63,627,848.70 is: 95,441,773.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,889,114.60 : 103,333,671.90 = 63,627,848.70 : x
  2. Step 2: Convert to fraction form
    68,889,114.60/103,333,671.90 = 63,627,848.70/x
  3. Step 3: Cross multiply
    68,889,114.60x = 103,333,671.90 × 63,627,848.70
  4. Step 4: Simplify right side
    68,889,114.60x = 6,574,899,241,268,642
  5. Step 5: Solve for x
    x = 6,574,899,241,268,642/68,889,114.60
  6. Step 6: Final answer
    x = 95,441,773.05

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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.