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Finding the Fourth Proportional to 181,742.40, 272,594.16 and 63,415.98

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Solution

The fourth proportional to 181,742.40, 272,594.16 and 63,415.98 is: 95,117.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,742.40 : 272,594.16 = 63,415.98 : x
  2. Step 2: Convert to fraction form
    181,742.40/272,594.16 = 63,415.98/x
  3. Step 3: Cross multiply
    181,742.40x = 272,594.16 × 63,415.98
  4. Step 4: Simplify right side
    181,742.40x = 17,286,825,798.68
  5. Step 5: Solve for x
    x = 17,286,825,798.68/181,742.40
  6. Step 6: Final answer
    x = 95,117.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.