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Finding the Fourth Proportional to 70,417.74, 97,178.74 and 38,588.66

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Solution

The fourth proportional to 70,417.74, 97,178.74 and 38,588.66 is: 53,253.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,417.74 : 97,178.74 = 38,588.66 : x
  2. Step 2: Convert to fraction form
    70,417.74/97,178.74 = 38,588.66/x
  3. Step 3: Cross multiply
    70,417.74x = 97,178.74 × 38,588.66
  4. Step 4: Simplify right side
    70,417.74x = 3,749,997,357.09
  5. Step 5: Solve for x
    x = 3,749,997,357.09/70,417.74
  6. Step 6: Final answer
    x = 53,253.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.