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Finding the Fourth Proportional to 70,483.23, 97,264.76 and 40,268.43

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Solution

The fourth proportional to 70,483.23, 97,264.76 and 40,268.43 is: 55,569.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,483.23 : 97,264.76 = 40,268.43 : x
  2. Step 2: Convert to fraction form
    70,483.23/97,264.76 = 40,268.43/x
  3. Step 3: Cross multiply
    70,483.23x = 97,264.76 × 40,268.43
  4. Step 4: Simplify right side
    70,483.23x = 3,916,698,978.18
  5. Step 5: Solve for x
    x = 3,916,698,978.18/70,483.23
  6. Step 6: Final answer
    x = 55,569.23

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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.