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Finding the Fourth Proportional to 137,956.59, 206,869.37 and 63,054.51

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Solution

The fourth proportional to 137,956.59, 206,869.37 and 63,054.51 is: 94,551.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,956.59 : 206,869.37 = 63,054.51 : x
  2. Step 2: Convert to fraction form
    137,956.59/206,869.37 = 63,054.51/x
  3. Step 3: Cross multiply
    137,956.59x = 206,869.37 × 63,054.51
  4. Step 4: Simplify right side
    137,956.59x = 13,044,046,444.09
  5. Step 5: Solve for x
    x = 13,044,046,444.09/137,956.59
  6. Step 6: Final answer
    x = 94,551.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.