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Finding the Fourth Proportional to 186,835.40, 257,833.50 and 101,953.88

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Solution

The fourth proportional to 186,835.40, 257,833.50 and 101,953.88 is: 140,696.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,835.40 : 257,833.50 = 101,953.88 : x
  2. Step 2: Convert to fraction form
    186,835.40/257,833.50 = 101,953.88/x
  3. Step 3: Cross multiply
    186,835.40x = 257,833.50 × 101,953.88
  4. Step 4: Simplify right side
    186,835.40x = 26,287,125,718.98
  5. Step 5: Solve for x
    x = 26,287,125,718.98/186,835.40
  6. Step 6: Final answer
    x = 140,696.71

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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.