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Finding the Fourth Proportional to 186,841.40, 257,841.80 and 101,959.88

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Solution

The fourth proportional to 186,841.40, 257,841.80 and 101,959.88 is: 140,705.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,841.40 : 257,841.80 = 101,959.88 : x
  2. Step 2: Convert to fraction form
    186,841.40/257,841.80 = 101,959.88/x
  3. Step 3: Cross multiply
    186,841.40x = 257,841.80 × 101,959.88
  4. Step 4: Simplify right side
    186,841.40x = 26,289,518,986.98
  5. Step 5: Solve for x
    x = 26,289,518,986.98/186,841.40
  6. Step 6: Final answer
    x = 140,705.00

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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.