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Finding the Fourth Proportional to 136,703.80, 205,055.70 and 94,494.70

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Solution

The fourth proportional to 136,703.80, 205,055.70 and 94,494.70 is: 141,742.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,703.80 : 205,055.70 = 94,494.70 : x
  2. Step 2: Convert to fraction form
    136,703.80/205,055.70 = 94,494.70/x
  3. Step 3: Cross multiply
    136,703.80x = 205,055.70 × 94,494.70
  4. Step 4: Simplify right side
    136,703.80x = 19,376,676,854.79
  5. Step 5: Solve for x
    x = 19,376,676,854.79/136,703.80
  6. Step 6: Final answer
    x = 141,742.05

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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.