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Finding the Fourth Proportional to 71,670,994.07, 98,914,368.58 and 40,735,813.46

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Solution

The fourth proportional to 71,670,994.07, 98,914,368.58 and 40,735,813.46 is: 56,220,195.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,670,994.07 : 98,914,368.58 = 40,735,813.46 : x
  2. Step 2: Convert to fraction form
    71,670,994.07/98,914,368.58 = 40,735,813.46/x
  3. Step 3: Cross multiply
    71,670,994.07x = 98,914,368.58 × 40,735,813.46
  4. Step 4: Simplify right side
    71,670,994.07x = 4,029,357,266,392,153.50
  5. Step 5: Solve for x
    x = 4,029,357,266,392,153.50/71,670,994.07
  6. Step 6: Final answer
    x = 56,220,195.06

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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.