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Finding the Fourth Proportional to 208,816.66, 287,977.08 and 176,618.89

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Solution

The fourth proportional to 208,816.66, 287,977.08 and 176,618.89 is: 243,573.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    208,816.66 : 287,977.08 = 176,618.89 : x
  2. Step 2: Convert to fraction form
    208,816.66/287,977.08 = 176,618.89/x
  3. Step 3: Cross multiply
    208,816.66x = 287,977.08 × 176,618.89
  4. Step 4: Simplify right side
    208,816.66x = 50,862,192,215.04
  5. Step 5: Solve for x
    x = 50,862,192,215.04/208,816.66
  6. Step 6: Final answer
    x = 243,573.44

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1.5x scale

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.