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Finding the Fourth Proportional to 186,841.50, 257,846.75 and 101,964.03

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Solution

The fourth proportional to 186,841.50, 257,846.75 and 101,964.03 is: 140,713.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.50 : 257,846.75 = 101,964.03 : x
  2. Step 2: Convert to fraction form
    186,841.50/257,846.75 = 101,964.03/x
  3. Step 3: Cross multiply
    186,841.50x = 257,846.75 × 101,964.03
  4. Step 4: Simplify right side
    186,841.50x = 26,291,093,242.58
  5. Step 5: Solve for x
    x = 26,291,093,242.58/186,841.50
  6. Step 6: Final answer
    x = 140,713.35

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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.