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Finding the Fourth Proportional to 181,094.70, 249,911.65 and 113,151.08

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Solution

The fourth proportional to 181,094.70, 249,911.65 and 113,151.08 is: 156,149.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,094.70 : 249,911.65 = 113,151.08 : x
  2. Step 2: Convert to fraction form
    181,094.70/249,911.65 = 113,151.08/x
  3. Step 3: Cross multiply
    181,094.70x = 249,911.65 × 113,151.08
  4. Step 4: Simplify right side
    181,094.70x = 28,277,771,852.52
  5. Step 5: Solve for x
    x = 28,277,771,852.52/181,094.70
  6. Step 6: Final answer
    x = 156,149.09

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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.