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Finding the Fourth Proportional to 91,460.48, 137,101.48 and 38,167.81

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Solution

The fourth proportional to 91,460.48, 137,101.48 and 38,167.81 is: 57,214.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,460.48 : 137,101.48 = 38,167.81 : x
  2. Step 2: Convert to fraction form
    91,460.48/137,101.48 = 38,167.81/x
  3. Step 3: Cross multiply
    91,460.48x = 137,101.48 × 38,167.81
  4. Step 4: Simplify right side
    91,460.48x = 5,232,862,801.19
  5. Step 5: Solve for x
    x = 5,232,862,801.19/91,460.48
  6. Step 6: Final answer
    x = 57,214.47

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Why These Related Problems?

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