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Finding the Fourth Proportional to 211,248.94, 316,925.39 and 61,490.61

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Solution

The fourth proportional to 211,248.94, 316,925.39 and 61,490.61 is: 92,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,248.94 : 316,925.39 = 61,490.61 : x
  2. Step 2: Convert to fraction form
    211,248.94/316,925.39 = 61,490.61/x
  3. Step 3: Cross multiply
    211,248.94x = 316,925.39 × 61,490.61
  4. Step 4: Simplify right side
    211,248.94x = 19,487,935,555.59
  5. Step 5: Solve for x
    x = 19,487,935,555.59/211,248.94
  6. Step 6: Final answer
    x = 92,251.05

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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.