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Finding the Fourth Proportional to 249,222, 373,833 and 74,118

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Solution

The fourth proportional to 249,222, 373,833 and 74,118 is: 111,177

Step by Step Solution

  1. Step 1: Write the proportion equation
    249,222 : 373,833 = 74,118 : x
  2. Step 2: Convert to fraction form
    249,222/373,833 = 74,118/x
  3. Step 3: Cross multiply
    249,222x = 373,833 × 74,118
  4. Step 4: Simplify right side
    249,222x = 27,707,754,294
  5. Step 5: Solve for x
    x = 27,707,754,294/249,222
  6. Step 6: Final answer
    x = 111,177

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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.