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Finding the Fourth Proportional to 148,912.56, 205,547.22 and 95,341.86

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Solution

The fourth proportional to 148,912.56, 205,547.22 and 95,341.86 is: 131,602.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,912.56 : 205,547.22 = 95,341.86 : x
  2. Step 2: Convert to fraction form
    148,912.56/205,547.22 = 95,341.86/x
  3. Step 3: Cross multiply
    148,912.56x = 205,547.22 × 95,341.86
  4. Step 4: Simplify right side
    148,912.56x = 19,597,254,272.63
  5. Step 5: Solve for x
    x = 19,597,254,272.63/148,912.56
  6. Step 6: Final answer
    x = 131,602.43

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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.