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Finding the Fourth Proportional to 181,073.51, 249,893.13 and 100,501.05

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Solution

The fourth proportional to 181,073.51, 249,893.13 and 100,501.05 is: 138,697.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,073.51 : 249,893.13 = 100,501.05 : x
  2. Step 2: Convert to fraction form
    181,073.51/249,893.13 = 100,501.05/x
  3. Step 3: Cross multiply
    181,073.51x = 249,893.13 × 100,501.05
  4. Step 4: Simplify right side
    181,073.51x = 25,114,523,266.76
  5. Step 5: Solve for x
    x = 25,114,523,266.76/181,073.51
  6. Step 6: Final answer
    x = 138,697.94

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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.