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Finding the Fourth Proportional to 70,300.31, 97,012.49 and 38,468.52

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Solution

The fourth proportional to 70,300.31, 97,012.49 and 38,468.52 is: 53,085.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,300.31 : 97,012.49 = 38,468.52 : x
  2. Step 2: Convert to fraction form
    70,300.31/97,012.49 = 38,468.52/x
  3. Step 3: Cross multiply
    70,300.31x = 97,012.49 × 38,468.52
  4. Step 4: Simplify right side
    70,300.31x = 3,731,926,719.47
  5. Step 5: Solve for x
    x = 3,731,926,719.47/70,300.31
  6. Step 6: Final answer
    x = 53,085.50

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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.