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Finding the Fourth Proportional to 70,374.94, 97,113.79 and 38,537.69

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Solution

The fourth proportional to 70,374.94, 97,113.79 and 38,537.69 is: 53,180.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,374.94 : 97,113.79 = 38,537.69 : x
  2. Step 2: Convert to fraction form
    70,374.94/97,113.79 = 38,537.69/x
  3. Step 3: Cross multiply
    70,374.94x = 97,113.79 × 38,537.69
  4. Step 4: Simplify right side
    70,374.94x = 3,742,541,133.75
  5. Step 5: Solve for x
    x = 3,742,541,133.75/70,374.94
  6. Step 6: Final answer
    x = 53,180.03

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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.