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Finding the Fourth Proportional to 124,770.48, 186,978.80 and 96,559.22

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Solution

The fourth proportional to 124,770.48, 186,978.80 and 96,559.22 is: 144,701.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,770.48 : 186,978.80 = 96,559.22 : x
  2. Step 2: Convert to fraction form
    124,770.48/186,978.80 = 96,559.22/x
  3. Step 3: Cross multiply
    124,770.48x = 186,978.80 × 96,559.22
  4. Step 4: Simplify right side
    124,770.48x = 18,054,525,666.85
  5. Step 5: Solve for x
    x = 18,054,525,666.85/124,770.48
  6. Step 6: Final answer
    x = 144,701.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.