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Finding the Fourth Proportional to 70,196.60, 96,871.53 and 38,366.03

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Solution

The fourth proportional to 70,196.60, 96,871.53 and 38,366.03 is: 52,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,196.60 : 96,871.53 = 38,366.03 : x
  2. Step 2: Convert to fraction form
    70,196.60/96,871.53 = 38,366.03/x
  3. Step 3: Cross multiply
    70,196.60x = 96,871.53 × 38,366.03
  4. Step 4: Simplify right side
    70,196.60x = 3,716,575,541.77
  5. Step 5: Solve for x
    x = 3,716,575,541.77/70,196.60
  6. Step 6: Final answer
    x = 52,945.24

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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.