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Finding the Fourth Proportional to 105,373.88, 158,060.64 and 49,195.16

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Solution

The fourth proportional to 105,373.88, 158,060.64 and 49,195.16 is: 73,792.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,373.88 : 158,060.64 = 49,195.16 : x
  2. Step 2: Convert to fraction form
    105,373.88/158,060.64 = 49,195.16/x
  3. Step 3: Cross multiply
    105,373.88x = 158,060.64 × 49,195.16
  4. Step 4: Simplify right side
    105,373.88x = 7,775,818,474.50
  5. Step 5: Solve for x
    x = 7,775,818,474.50/105,373.88
  6. Step 6: Final answer
    x = 73,792.66

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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.