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Finding the Fourth Proportional to 157,468.93, 236,154.94 and 45,119.05

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Solution

The fourth proportional to 157,468.93, 236,154.94 and 45,119.05 is: 67,664.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,468.93 : 236,154.94 = 45,119.05 : x
  2. Step 2: Convert to fraction form
    157,468.93/236,154.94 = 45,119.05/x
  3. Step 3: Cross multiply
    157,468.93x = 236,154.94 × 45,119.05
  4. Step 4: Simplify right side
    157,468.93x = 10,655,085,842.42
  5. Step 5: Solve for x
    x = 10,655,085,842.42/157,468.93
  6. Step 6: Final answer
    x = 67,664.69

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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.