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Finding the Fourth Proportional to 249,804.66, 374,665.95 and 107,611.37

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Solution

The fourth proportional to 249,804.66, 374,665.95 and 107,611.37 is: 161,399.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,804.66 : 374,665.95 = 107,611.37 : x
  2. Step 2: Convert to fraction form
    249,804.66/374,665.95 = 107,611.37/x
  3. Step 3: Cross multiply
    249,804.66x = 374,665.95 × 107,611.37
  4. Step 4: Simplify right side
    249,804.66x = 40,318,314,298.52
  5. Step 5: Solve for x
    x = 40,318,314,298.52/249,804.66
  6. Step 6: Final answer
    x = 161,399.37

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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.