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Finding the Fourth Proportional to 65,603,411.60, 98,405,117.40 and 17,734,355.60

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Solution

The fourth proportional to 65,603,411.60, 98,405,117.40 and 17,734,355.60 is: 26,601,533.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,603,411.60 : 98,405,117.40 = 17,734,355.60 : x
  2. Step 2: Convert to fraction form
    65,603,411.60/98,405,117.40 = 17,734,355.60/x
  3. Step 3: Cross multiply
    65,603,411.60x = 98,405,117.40 × 17,734,355.60
  4. Step 4: Simplify right side
    65,603,411.60x = 1,745,151,344,831,347.75
  5. Step 5: Solve for x
    x = 1,745,151,344,831,347.75/65,603,411.60
  6. Step 6: Final answer
    x = 26,601,533.40

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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.