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Finding the Fourth Proportional to 65,745,152.60, 98,617,728.90 and 29,843,360.60

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Solution

The fourth proportional to 65,745,152.60, 98,617,728.90 and 29,843,360.60 is: 44,765,040.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,745,152.60 : 98,617,728.90 = 29,843,360.60 : x
  2. Step 2: Convert to fraction form
    65,745,152.60/98,617,728.90 = 29,843,360.60/x
  3. Step 3: Cross multiply
    65,745,152.60x = 98,617,728.90 × 29,843,360.60
  4. Step 4: Simplify right side
    65,745,152.60x = 2,943,084,445,115,741.50
  5. Step 5: Solve for x
    x = 2,943,084,445,115,741.50/65,745,152.60
  6. Step 6: Final answer
    x = 44,765,040.90

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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.