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Finding the Fourth Proportional to 164,666.66, 227,123.19 and 139,406.81

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Solution

The fourth proportional to 164,666.66, 227,123.19 and 139,406.81 is: 192,282.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,666.66 : 227,123.19 = 139,406.81 : x
  2. Step 2: Convert to fraction form
    164,666.66/227,123.19 = 139,406.81/x
  3. Step 3: Cross multiply
    164,666.66x = 227,123.19 × 139,406.81
  4. Step 4: Simplify right side
    164,666.66x = 31,662,519,394.92
  5. Step 5: Solve for x
    x = 31,662,519,394.92/164,666.66
  6. Step 6: Final answer
    x = 192,282.51

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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.