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Finding the Fourth Proportional to 181,009.47, 249,794.79 and 100,444.49

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Solution

The fourth proportional to 181,009.47, 249,794.79 and 100,444.49 is: 138,614.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,009.47 : 249,794.79 = 100,444.49 : x
  2. Step 2: Convert to fraction form
    181,009.47/249,794.79 = 100,444.49/x
  3. Step 3: Cross multiply
    181,009.47x = 249,794.79 × 100,444.49
  4. Step 4: Simplify right side
    181,009.47x = 25,090,510,286.21
  5. Step 5: Solve for x
    x = 25,090,510,286.21/181,009.47
  6. Step 6: Final answer
    x = 138,614.35

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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.