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Finding the Fourth Proportional to 176,707.41, 243,838.02 and 105,073.59

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Solution

The fourth proportional to 176,707.41, 243,838.02 and 105,073.59 is: 144,990.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    176,707.41 : 243,838.02 = 105,073.59 : x
  2. Step 2: Convert to fraction form
    176,707.41/243,838.02 = 105,073.59/x
  3. Step 3: Cross multiply
    176,707.41x = 243,838.02 × 105,073.59
  4. Step 4: Simplify right side
    176,707.41x = 25,620,936,139.89
  5. Step 5: Solve for x
    x = 25,620,936,139.89/176,707.41
  6. Step 6: Final answer
    x = 144,990.73

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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.