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Finding the Fourth Proportional to 186,295.98, 257,116.14 and 109,790.64

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Solution

The fourth proportional to 186,295.98, 257,116.14 and 109,790.64 is: 151,527.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,295.98 : 257,116.14 = 109,790.64 : x
  2. Step 2: Convert to fraction form
    186,295.98/257,116.14 = 109,790.64/x
  3. Step 3: Cross multiply
    186,295.98x = 257,116.14 × 109,790.64
  4. Step 4: Simplify right side
    186,295.98x = 28,228,945,564.93
  5. Step 5: Solve for x
    x = 28,228,945,564.93/186,295.98
  6. Step 6: Final answer
    x = 151,527.40

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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.