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Finding the Fourth Proportional to 65,211,234.80, 97,813,741.80 and 22,076,207.60

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Solution

The fourth proportional to 65,211,234.80, 97,813,741.80 and 22,076,207.60 is: 33,113,258.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,211,234.80 : 97,813,741.80 = 22,076,207.60 : x
  2. Step 2: Convert to fraction form
    65,211,234.80/97,813,741.80 = 22,076,207.60/x
  3. Step 3: Cross multiply
    65,211,234.80x = 97,813,741.80 × 22,076,207.60
  4. Step 4: Simplify right side
    65,211,234.80x = 2,159,356,470,109,597.75
  5. Step 5: Solve for x
    x = 2,159,356,470,109,597.75/65,211,234.80
  6. Step 6: Final answer
    x = 33,113,258.42

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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.