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Finding the Fourth Proportional to 95,970.42, 143,955.63 and 49,193.46

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Solution

The fourth proportional to 95,970.42, 143,955.63 and 49,193.46 is: 73,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,970.42 : 143,955.63 = 49,193.46 : x
  2. Step 2: Convert to fraction form
    95,970.42/143,955.63 = 49,193.46/x
  3. Step 3: Cross multiply
    95,970.42x = 143,955.63 × 49,193.46
  4. Step 4: Simplify right side
    95,970.42x = 7,081,675,526.18
  5. Step 5: Solve for x
    x = 7,081,675,526.18/95,970.42
  6. Step 6: Final answer
    x = 73,790.19

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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.