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Finding the Fourth Proportional to 116,424.47, 160,667.20 and 65,434.22

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Solution

The fourth proportional to 116,424.47, 160,667.20 and 65,434.22 is: 90,300.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,424.47 : 160,667.20 = 65,434.22 : x
  2. Step 2: Convert to fraction form
    116,424.47/160,667.20 = 65,434.22/x
  3. Step 3: Cross multiply
    116,424.47x = 160,667.20 × 65,434.22
  4. Step 4: Simplify right side
    116,424.47x = 10,513,132,792.54
  5. Step 5: Solve for x
    x = 10,513,132,792.54/116,424.47
  6. Step 6: Final answer
    x = 90,300.03

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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.