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Finding the Fourth Proportional to 186,245.04, 257,023.60 and 101,367.60

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Solution

The fourth proportional to 186,245.04, 257,023.60 and 101,367.60 is: 139,890.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,245.04 : 257,023.60 = 101,367.60 : x
  2. Step 2: Convert to fraction form
    186,245.04/257,023.60 = 101,367.60/x
  3. Step 3: Cross multiply
    186,245.04x = 257,023.60 × 101,367.60
  4. Step 4: Simplify right side
    186,245.04x = 26,053,865,475.36
  5. Step 5: Solve for x
    x = 26,053,865,475.36/186,245.04
  6. Step 6: Final answer
    x = 139,890.25

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1.5x scale

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.