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Finding the Fourth Proportional to 119,351.63, 163,696.14 and 105,899.55

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Solution

The fourth proportional to 119,351.63, 163,696.14 and 105,899.55 is: 145,246.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,351.63 : 163,696.14 = 105,899.55 : x
  2. Step 2: Convert to fraction form
    119,351.63/163,696.14 = 105,899.55/x
  3. Step 3: Cross multiply
    119,351.63x = 163,696.14 × 105,899.55
  4. Step 4: Simplify right side
    119,351.63x = 17,335,347,869.67
  5. Step 5: Solve for x
    x = 17,335,347,869.67/119,351.63
  6. Step 6: Final answer
    x = 145,246.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.