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Finding the Fourth Proportional to 238,838.79, 357,986.58 and 124,810.79

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Solution

The fourth proportional to 238,838.79, 357,986.58 and 124,810.79 is: 187,074.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,838.79 : 357,986.58 = 124,810.79 : x
  2. Step 2: Convert to fraction form
    238,838.79/357,986.58 = 124,810.79/x
  3. Step 3: Cross multiply
    238,838.79x = 357,986.58 × 124,810.79
  4. Step 4: Simplify right side
    238,838.79x = 44,680,586,952.76
  5. Step 5: Solve for x
    x = 44,680,586,952.76/238,838.79
  6. Step 6: Final answer
    x = 187,074.25

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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.