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Finding the Fourth Proportional to 115,989.56, 174,051.24 and 62,681.68

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Solution

The fourth proportional to 115,989.56, 174,051.24 and 62,681.68 is: 94,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,989.56 : 174,051.24 = 62,681.68 : x
  2. Step 2: Convert to fraction form
    115,989.56/174,051.24 = 62,681.68/x
  3. Step 3: Cross multiply
    115,989.56x = 174,051.24 × 62,681.68
  4. Step 4: Simplify right side
    115,989.56x = 10,909,824,129.28
  5. Step 5: Solve for x
    x = 10,909,824,129.28/115,989.56
  6. Step 6: Final answer
    x = 94,058.67

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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.