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Finding the Fourth Proportional to 116,041.34, 173,766.60 and 76,478.51

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Solution

The fourth proportional to 116,041.34, 173,766.60 and 76,478.51 is: 114,523.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,041.34 : 173,766.60 = 76,478.51 : x
  2. Step 2: Convert to fraction form
    116,041.34/173,766.60 = 76,478.51/x
  3. Step 3: Cross multiply
    116,041.34x = 173,766.60 × 76,478.51
  4. Step 4: Simplify right side
    116,041.34x = 13,289,411,090.18
  5. Step 5: Solve for x
    x = 13,289,411,090.18/116,041.34
  6. Step 6: Final answer
    x = 114,523.07

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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.