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Finding the Fourth Proportional to 96,875.90, 145,320 and 25,797.38

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Solution

The fourth proportional to 96,875.90, 145,320 and 25,797.38 is: 38,697.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,875.90 : 145,320 = 25,797.38 : x
  2. Step 2: Convert to fraction form
    96,875.90/145,320 = 25,797.38/x
  3. Step 3: Cross multiply
    96,875.90x = 145,320 × 25,797.38
  4. Step 4: Simplify right side
    96,875.90x = 3,748,875,261.60
  5. Step 5: Solve for x
    x = 3,748,875,261.60/96,875.90
  6. Step 6: Final answer
    x = 38,697.71

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.