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Finding the Fourth Proportional to 271,896.61, 375,206.89 and 151,045.51

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Solution

The fourth proportional to 271,896.61, 375,206.89 and 151,045.51 is: 208,437.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    271,896.61 : 375,206.89 = 151,045.51 : x
  2. Step 2: Convert to fraction form
    271,896.61/375,206.89 = 151,045.51/x
  3. Step 3: Cross multiply
    271,896.61x = 375,206.89 × 151,045.51
  4. Step 4: Simplify right side
    271,896.61x = 56,673,315,117.55
  5. Step 5: Solve for x
    x = 56,673,315,117.55/271,896.61
  6. Step 6: Final answer
    x = 208,437.00

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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.