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Finding the Fourth Proportional to 157,641.62, 236,459.94 and 73,354.64

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Solution

The fourth proportional to 157,641.62, 236,459.94 and 73,354.64 is: 110,030.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,641.62 : 236,459.94 = 73,354.64 : x
  2. Step 2: Convert to fraction form
    157,641.62/236,459.94 = 73,354.64/x
  3. Step 3: Cross multiply
    157,641.62x = 236,459.94 × 73,354.64
  4. Step 4: Simplify right side
    157,641.62x = 17,345,433,773.12
  5. Step 5: Solve for x
    x = 17,345,433,773.12/157,641.62
  6. Step 6: Final answer
    x = 110,030.80

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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.