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Finding the Fourth Proportional to 157,460.61, 236,119.83 and 45,115.11

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Solution

The fourth proportional to 157,460.61, 236,119.83 and 45,115.11 is: 67,652.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,460.61 : 236,119.83 = 45,115.11 : x
  2. Step 2: Convert to fraction form
    157,460.61/236,119.83 = 45,115.11/x
  3. Step 3: Cross multiply
    157,460.61x = 236,119.83 × 45,115.11
  4. Step 4: Simplify right side
    157,460.61x = 10,652,572,103.63
  5. Step 5: Solve for x
    x = 10,652,572,103.63/157,460.61
  6. Step 6: Final answer
    x = 67,652.30

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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.