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Finding the Fourth Proportional to 194,160.70, 291,250.65 and 100,848.70

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Solution

The fourth proportional to 194,160.70, 291,250.65 and 100,848.70 is: 151,278.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,160.70 : 291,250.65 = 100,848.70 : x
  2. Step 2: Convert to fraction form
    194,160.70/291,250.65 = 100,848.70/x
  3. Step 3: Cross multiply
    194,160.70x = 291,250.65 × 100,848.70
  4. Step 4: Simplify right side
    194,160.70x = 29,372,249,426.66
  5. Step 5: Solve for x
    x = 29,372,249,426.66/194,160.70
  6. Step 6: Final answer
    x = 151,278.04

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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.