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Finding the Fourth Proportional to 112,194, 154,827.52 and 61,206.74

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Solution

The fourth proportional to 112,194, 154,827.52 and 61,206.74 is: 84,465.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,194 : 154,827.52 = 61,206.74 : x
  2. Step 2: Convert to fraction form
    112,194/154,827.52 = 61,206.74/x
  3. Step 3: Cross multiply
    112,194x = 154,827.52 × 61,206.74
  4. Step 4: Simplify right side
    112,194x = 9,476,486,681.31
  5. Step 5: Solve for x
    x = 9,476,486,681.31/112,194
  6. Step 6: Final answer
    x = 84,465.18

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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.