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Finding the Fourth Proportional to 181,048.86, 249,683.88 and 113,072.04

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Solution

The fourth proportional to 181,048.86, 249,683.88 and 113,072.04 is: 155,937.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,048.86 : 249,683.88 = 113,072.04 : x
  2. Step 2: Convert to fraction form
    181,048.86/249,683.88 = 113,072.04/x
  3. Step 3: Cross multiply
    181,048.86x = 249,683.88 × 113,072.04
  4. Step 4: Simplify right side
    181,048.86x = 28,232,265,666.72
  5. Step 5: Solve for x
    x = 28,232,265,666.72/181,048.86
  6. Step 6: Final answer
    x = 155,937.27

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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.