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Finding the Fourth Proportional to 70,873.20, 97,801.41 and 39,041.41

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Solution

The fourth proportional to 70,873.20, 97,801.41 and 39,041.41 is: 53,875.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,873.20 : 97,801.41 = 39,041.41 : x
  2. Step 2: Convert to fraction form
    70,873.20/97,801.41 = 39,041.41/x
  3. Step 3: Cross multiply
    70,873.20x = 97,801.41 × 39,041.41
  4. Step 4: Simplify right side
    70,873.20x = 3,818,304,946.39
  5. Step 5: Solve for x
    x = 3,818,304,946.39/70,873.20
  6. Step 6: Final answer
    x = 53,875.16

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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.