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Finding the Fourth Proportional to 249,333, 344,104.44 and 148,731

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Solution

The fourth proportional to 249,333, 344,104.44 and 148,731 is: 205,263.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,333 : 344,104.44 = 148,731 : x
  2. Step 2: Convert to fraction form
    249,333/344,104.44 = 148,731/x
  3. Step 3: Cross multiply
    249,333x = 344,104.44 × 148,731
  4. Step 4: Simplify right side
    249,333x = 51,178,997,465.64
  5. Step 5: Solve for x
    x = 51,178,997,465.64/249,333
  6. Step 6: Final answer
    x = 205,263.63

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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.