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Finding the Fourth Proportional to 178,903.68, 246,887.76 and 98,338.24

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Solution

The fourth proportional to 178,903.68, 246,887.76 and 98,338.24 is: 135,707.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,903.68 : 246,887.76 = 98,338.24 : x
  2. Step 2: Convert to fraction form
    178,903.68/246,887.76 = 98,338.24/x
  3. Step 3: Cross multiply
    178,903.68x = 246,887.76 × 98,338.24
  4. Step 4: Simplify right side
    178,903.68x = 24,278,507,795.94
  5. Step 5: Solve for x
    x = 24,278,507,795.94/178,903.68
  6. Step 6: Final answer
    x = 135,707.15

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1.5x scale

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.