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Finding the Fourth Proportional to 73,993,685.60, 110,831,096.10 and 61,239,101.60

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Solution

The fourth proportional to 73,993,685.60, 110,831,096.10 and 61,239,101.60 is: 91,726,702.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,993,685.60 : 110,831,096.10 = 61,239,101.60 : x
  2. Step 2: Convert to fraction form
    73,993,685.60/110,831,096.10 = 61,239,101.60/x
  3. Step 3: Cross multiply
    73,993,685.60x = 110,831,096.10 × 61,239,101.60
  4. Step 4: Simplify right side
    73,993,685.60x = 6,787,196,754,507,264
  5. Step 5: Solve for x
    x = 6,787,196,754,507,264/73,993,685.60
  6. Step 6: Final answer
    x = 91,726,702.08

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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.