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Finding the Fourth Proportional to 181,014.67, 249,799.43 and 100,442.01

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Solution

The fourth proportional to 181,014.67, 249,799.43 and 100,442.01 is: 138,609.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,014.67 : 249,799.43 = 100,442.01 : x
  2. Step 2: Convert to fraction form
    181,014.67/249,799.43 = 100,442.01/x
  3. Step 3: Cross multiply
    181,014.67x = 249,799.43 × 100,442.01
  4. Step 4: Simplify right side
    181,014.67x = 25,090,356,846.05
  5. Step 5: Solve for x
    x = 25,090,356,846.05/181,014.67
  6. Step 6: Final answer
    x = 138,609.52

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1.5x scale

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.