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Finding the Fourth Proportional to 116,461.71, 174,692.58 and 92,978.19

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Solution

The fourth proportional to 116,461.71, 174,692.58 and 92,978.19 is: 139,467.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,461.71 : 174,692.58 = 92,978.19 : x
  2. Step 2: Convert to fraction form
    116,461.71/174,692.58 = 92,978.19/x
  3. Step 3: Cross multiply
    116,461.71x = 174,692.58 × 92,978.19
  4. Step 4: Simplify right side
    116,461.71x = 16,242,599,894.83
  5. Step 5: Solve for x
    x = 16,242,599,894.83/116,461.71
  6. Step 6: Final answer
    x = 139,467.30

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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.