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Finding the Fourth Proportional to 93,670,253.80, 140,505,380.70 and 59,616,039.40

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Solution

The fourth proportional to 93,670,253.80, 140,505,380.70 and 59,616,039.40 is: 89,424,059.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,670,253.80 : 140,505,380.70 = 59,616,039.40 : x
  2. Step 2: Convert to fraction form
    93,670,253.80/140,505,380.70 = 59,616,039.40/x
  3. Step 3: Cross multiply
    93,670,253.80x = 140,505,380.70 × 59,616,039.40
  4. Step 4: Simplify right side
    93,670,253.80x = 8,376,374,311,723,199
  5. Step 5: Solve for x
    x = 8,376,374,311,723,199/93,670,253.80
  6. Step 6: Final answer
    x = 89,424,059.10

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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.