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Finding the Fourth Proportional to 181,049.04, 249,877.71 and 105,597.54

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Solution

The fourth proportional to 181,049.04, 249,877.71 and 105,597.54 is: 145,742.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,049.04 : 249,877.71 = 105,597.54 : x
  2. Step 2: Convert to fraction form
    181,049.04/249,877.71 = 105,597.54/x
  3. Step 3: Cross multiply
    181,049.04x = 249,877.71 × 105,597.54
  4. Step 4: Simplify right side
    181,049.04x = 26,386,471,476.83
  5. Step 5: Solve for x
    x = 26,386,471,476.83/181,049.04
  6. Step 6: Final answer
    x = 145,742.12

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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.