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Finding the Fourth Proportional to 70,398.99, 97,148.16 and 38,568.42

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Solution

The fourth proportional to 70,398.99, 97,148.16 and 38,568.42 is: 53,223.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,398.99 : 97,148.16 = 38,568.42 : x
  2. Step 2: Convert to fraction form
    70,398.99/97,148.16 = 38,568.42/x
  3. Step 3: Cross multiply
    70,398.99x = 97,148.16 × 38,568.42
  4. Step 4: Simplify right side
    70,398.99x = 3,746,851,037.11
  5. Step 5: Solve for x
    x = 3,746,851,037.11/70,398.99
  6. Step 6: Final answer
    x = 53,223.08

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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.