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Finding the Fourth Proportional to 249,528.40, 374,292.60 and 99,694.60

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Solution

The fourth proportional to 249,528.40, 374,292.60 and 99,694.60 is: 149,541.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,528.40 : 374,292.60 = 99,694.60 : x
  2. Step 2: Convert to fraction form
    249,528.40/374,292.60 = 99,694.60/x
  3. Step 3: Cross multiply
    249,528.40x = 374,292.60 × 99,694.60
  4. Step 4: Simplify right side
    249,528.40x = 37,314,951,039.96
  5. Step 5: Solve for x
    x = 37,314,951,039.96/249,528.40
  6. Step 6: Final answer
    x = 149,541.90

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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.