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Finding the Fourth Proportional to 70,526, 97,325.88 and 40,718

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Solution

The fourth proportional to 70,526, 97,325.88 and 40,718 is: 56,190.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,526 : 97,325.88 = 40,718 : x
  2. Step 2: Convert to fraction form
    70,526/97,325.88 = 40,718/x
  3. Step 3: Cross multiply
    70,526x = 97,325.88 × 40,718
  4. Step 4: Simplify right side
    70,526x = 3,962,915,181.84
  5. Step 5: Solve for x
    x = 3,962,915,181.84/70,526
  6. Step 6: Final answer
    x = 56,190.84

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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.