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Finding the Fourth Proportional to 194,804.70, 292,207.05 and 70,100.70

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Solution

The fourth proportional to 194,804.70, 292,207.05 and 70,100.70 is: 105,151.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,804.70 : 292,207.05 = 70,100.70 : x
  2. Step 2: Convert to fraction form
    194,804.70/292,207.05 = 70,100.70/x
  3. Step 3: Cross multiply
    194,804.70x = 292,207.05 × 70,100.70
  4. Step 4: Simplify right side
    194,804.70x = 20,483,918,749.94
  5. Step 5: Solve for x
    x = 20,483,918,749.94/194,804.70
  6. Step 6: Final answer
    x = 105,151.05

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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.