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Finding the Fourth Proportional to 70,045,103.60, 104,925,937.80 and 48,504,028.40

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Solution

The fourth proportional to 70,045,103.60, 104,925,937.80 and 48,504,028.40 is: 72,657,907.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,045,103.60 : 104,925,937.80 = 48,504,028.40 : x
  2. Step 2: Convert to fraction form
    70,045,103.60/104,925,937.80 = 48,504,028.40/x
  3. Step 3: Cross multiply
    70,045,103.60x = 104,925,937.80 × 48,504,028.40
  4. Step 4: Simplify right side
    70,045,103.60x = 5,089,330,666,947,833
  5. Step 5: Solve for x
    x = 5,089,330,666,947,833/70,045,103.60
  6. Step 6: Final answer
    x = 72,657,907.62

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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.