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Finding the Fourth Proportional to 121,262.60, 181,893.90 and 95,893.40

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Solution

The fourth proportional to 121,262.60, 181,893.90 and 95,893.40 is: 143,840.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,262.60 : 181,893.90 = 95,893.40 : x
  2. Step 2: Convert to fraction form
    121,262.60/181,893.90 = 95,893.40/x
  3. Step 3: Cross multiply
    121,262.60x = 181,893.90 × 95,893.40
  4. Step 4: Simplify right side
    121,262.60x = 17,442,424,510.26
  5. Step 5: Solve for x
    x = 17,442,424,510.26/121,262.60
  6. Step 6: Final answer
    x = 143,840.10

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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.