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Finding the Fourth Proportional to 100,960.84, 151,445.58 and 37,775.08

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Solution

The fourth proportional to 100,960.84, 151,445.58 and 37,775.08 is: 56,664.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,960.84 : 151,445.58 = 37,775.08 : x
  2. Step 2: Convert to fraction form
    100,960.84/151,445.58 = 37,775.08/x
  3. Step 3: Cross multiply
    100,960.84x = 151,445.58 × 37,775.08
  4. Step 4: Simplify right side
    100,960.84x = 5,720,868,900.15
  5. Step 5: Solve for x
    x = 5,720,868,900.15/100,960.84
  6. Step 6: Final answer
    x = 56,664.24

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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.