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Finding the Fourth Proportional to 181,002.15, 249,797.93 and 100,437.93

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Solution

The fourth proportional to 181,002.15, 249,797.93 and 100,437.93 is: 138,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,002.15 : 249,797.93 = 100,437.93 : x
  2. Step 2: Convert to fraction form
    181,002.15/249,797.93 = 100,437.93/x
  3. Step 3: Cross multiply
    181,002.15x = 249,797.93 × 100,437.93
  4. Step 4: Simplify right side
    181,002.15x = 25,089,186,505.30
  5. Step 5: Solve for x
    x = 25,089,186,505.30/181,002.15
  6. Step 6: Final answer
    x = 138,612.64

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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.