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Finding the Fourth Proportional to 70,326.98, 97,051.31 and 38,495.96

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Solution

The fourth proportional to 70,326.98, 97,051.31 and 38,495.96 is: 53,124.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,326.98 : 97,051.31 = 38,495.96 : x
  2. Step 2: Convert to fraction form
    70,326.98/97,051.31 = 38,495.96/x
  3. Step 3: Cross multiply
    70,326.98x = 97,051.31 × 38,495.96
  4. Step 4: Simplify right side
    70,326.98x = 3,736,083,394.81
  5. Step 5: Solve for x
    x = 3,736,083,394.81/70,326.98
  6. Step 6: Final answer
    x = 53,124.46

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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.