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Finding the Fourth Proportional to 197,870.84, 296,903.70 and 92,671.64

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Solution

The fourth proportional to 197,870.84, 296,903.70 and 92,671.64 is: 139,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,870.84 : 296,903.70 = 92,671.64 : x
  2. Step 2: Convert to fraction form
    197,870.84/296,903.70 = 92,671.64/x
  3. Step 3: Cross multiply
    197,870.84x = 296,903.70 × 92,671.64
  4. Step 4: Simplify right side
    197,870.84x = 27,514,552,801.07
  5. Step 5: Solve for x
    x = 27,514,552,801.07/197,870.84
  6. Step 6: Final answer
    x = 139,053.10

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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.