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Finding the Fourth Proportional to 192,790.29, 266,051.93 and 112,264.77

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Solution

The fourth proportional to 192,790.29, 266,051.93 and 112,264.77 is: 154,926.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,790.29 : 266,051.93 = 112,264.77 : x
  2. Step 2: Convert to fraction form
    192,790.29/266,051.93 = 112,264.77/x
  3. Step 3: Cross multiply
    192,790.29x = 266,051.93 × 112,264.77
  4. Step 4: Simplify right side
    192,790.29x = 29,868,258,729.51
  5. Step 5: Solve for x
    x = 29,868,258,729.51/192,790.29
  6. Step 6: Final answer
    x = 154,926.16

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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.