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Finding the Fourth Proportional to 181,049.86, 249,685.26 and 113,073.04

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Solution

The fourth proportional to 181,049.86, 249,685.26 and 113,073.04 is: 155,938.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,049.86 : 249,685.26 = 113,073.04 : x
  2. Step 2: Convert to fraction form
    181,049.86/249,685.26 = 113,073.04/x
  3. Step 3: Cross multiply
    181,049.86x = 249,685.26 × 113,073.04
  4. Step 4: Simplify right side
    181,049.86x = 28,232,671,391.39
  5. Step 5: Solve for x
    x = 28,232,671,391.39/181,049.86
  6. Step 6: Final answer
    x = 155,938.65

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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.