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Finding the Fourth Proportional to 181,055.54, 249,886.68 and 105,604.04

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Solution

The fourth proportional to 181,055.54, 249,886.68 and 105,604.04 is: 145,751.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,055.54 : 249,886.68 = 105,604.04 : x
  2. Step 2: Convert to fraction form
    181,055.54/249,886.68 = 105,604.04/x
  3. Step 3: Cross multiply
    181,055.54x = 249,886.68 × 105,604.04
  4. Step 4: Simplify right side
    181,055.54x = 26,389,042,950.19
  5. Step 5: Solve for x
    x = 26,389,042,950.19/181,055.54
  6. Step 6: Final answer
    x = 145,751.09

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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.