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Finding the Fourth Proportional to 249,392.49, 344,038.34 and 147,368.60

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Solution

The fourth proportional to 249,392.49, 344,038.34 and 147,368.60 is: 203,295.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,392.49 : 344,038.34 = 147,368.60 : x
  2. Step 2: Convert to fraction form
    249,392.49/344,038.34 = 147,368.60/x
  3. Step 3: Cross multiply
    249,392.49x = 344,038.34 × 147,368.60
  4. Step 4: Simplify right side
    249,392.49x = 50,700,449,072.96
  5. Step 5: Solve for x
    x = 50,700,449,072.96/249,392.49
  6. Step 6: Final answer
    x = 203,295.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.