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Finding the Fourth Proportional to 194,903.57, 292,355.37 and 47,159.57

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Solution

The fourth proportional to 194,903.57, 292,355.37 and 47,159.57 is: 70,739.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,903.57 : 292,355.37 = 47,159.57 : x
  2. Step 2: Convert to fraction form
    194,903.57/292,355.37 = 47,159.57/x
  3. Step 3: Cross multiply
    194,903.57x = 292,355.37 × 47,159.57
  4. Step 4: Simplify right side
    194,903.57x = 13,787,354,267.28
  5. Step 5: Solve for x
    x = 13,787,354,267.28/194,903.57
  6. Step 6: Final answer
    x = 70,739.36

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1.5x scale

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.