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Finding the Fourth Proportional to 249,993.16, 344,631.94 and 178,248.76

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Solution

The fourth proportional to 249,993.16, 344,631.94 and 178,248.76 is: 245,727.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,993.16 : 344,631.94 = 178,248.76 : x
  2. Step 2: Convert to fraction form
    249,993.16/344,631.94 = 178,248.76/x
  3. Step 3: Cross multiply
    249,993.16x = 344,631.94 × 178,248.76
  4. Step 4: Simplify right side
    249,993.16x = 61,430,215,961.39
  5. Step 5: Solve for x
    x = 61,430,215,961.39/249,993.16
  6. Step 6: Final answer
    x = 245,727.59

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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.