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Finding the Fourth Proportional to 183,665.74, 253,476.08 and 107,178.66

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Solution

The fourth proportional to 183,665.74, 253,476.08 and 107,178.66 is: 147,916.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,665.74 : 253,476.08 = 107,178.66 : x
  2. Step 2: Convert to fraction form
    183,665.74/253,476.08 = 107,178.66/x
  3. Step 3: Cross multiply
    183,665.74x = 253,476.08 × 107,178.66
  4. Step 4: Simplify right side
    183,665.74x = 27,167,226,596.45
  5. Step 5: Solve for x
    x = 27,167,226,596.45/183,665.74
  6. Step 6: Final answer
    x = 147,916.68

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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.