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Finding the Fourth Proportional to 61,662,504.87, 85,073,307.88 and 35,181,835.25

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Solution

The fourth proportional to 61,662,504.87, 85,073,307.88 and 35,181,835.25 is: 48,538,980.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,662,504.87 : 85,073,307.88 = 35,181,835.25 : x
  2. Step 2: Convert to fraction form
    61,662,504.87/85,073,307.88 = 35,181,835.25/x
  3. Step 3: Cross multiply
    61,662,504.87x = 85,073,307.88 × 35,181,835.25
  4. Step 4: Simplify right side
    61,662,504.87x = 2,993,035,101,460,435
  5. Step 5: Solve for x
    x = 2,993,035,101,460,435/61,662,504.87
  6. Step 6: Final answer
    x = 48,538,980.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.