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Finding the Fourth Proportional to 178,100.47, 245,756.15 and 141,893.76

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Solution

The fourth proportional to 178,100.47, 245,756.15 and 141,893.76 is: 195,795.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,100.47 : 245,756.15 = 141,893.76 : x
  2. Step 2: Convert to fraction form
    178,100.47/245,756.15 = 141,893.76/x
  3. Step 3: Cross multiply
    178,100.47x = 245,756.15 × 141,893.76
  4. Step 4: Simplify right side
    178,100.47x = 34,871,263,409.15
  5. Step 5: Solve for x
    x = 34,871,263,409.15/178,100.47
  6. Step 6: Final answer
    x = 195,795.46

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.