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Finding the Fourth Proportional to 70,484.94, 97,268.31 and 40,270.03

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Solution

The fourth proportional to 70,484.94, 97,268.31 and 40,270.03 is: 55,572.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,484.94 : 97,268.31 = 40,270.03 : x
  2. Step 2: Convert to fraction form
    70,484.94/97,268.31 = 40,270.03/x
  3. Step 3: Cross multiply
    70,484.94x = 97,268.31 × 40,270.03
  4. Step 4: Simplify right side
    70,484.94x = 3,916,997,518.58
  5. Step 5: Solve for x
    x = 3,916,997,518.58/70,484.94
  6. Step 6: Final answer
    x = 55,572.12

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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.