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Finding the Fourth Proportional to 185,536.71, 256,019.04 and 103,869.39

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Solution

The fourth proportional to 185,536.71, 256,019.04 and 103,869.39 is: 143,327.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,536.71 : 256,019.04 = 103,869.39 : x
  2. Step 2: Convert to fraction form
    185,536.71/256,019.04 = 103,869.39/x
  3. Step 3: Cross multiply
    185,536.71x = 256,019.04 × 103,869.39
  4. Step 4: Simplify right side
    185,536.71x = 26,592,541,513.19
  5. Step 5: Solve for x
    x = 26,592,541,513.19/185,536.71
  6. Step 6: Final answer
    x = 143,327.65

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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.