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Finding the Fourth Proportional to 157,409.87, 236,045.14 and 45,064.49

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Solution

The fourth proportional to 157,409.87, 236,045.14 and 45,064.49 is: 67,576.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,409.87 : 236,045.14 = 45,064.49 : x
  2. Step 2: Convert to fraction form
    157,409.87/236,045.14 = 45,064.49/x
  3. Step 3: Cross multiply
    157,409.87x = 236,045.14 × 45,064.49
  4. Step 4: Simplify right side
    157,409.87x = 10,637,253,851.08
  5. Step 5: Solve for x
    x = 10,637,253,851.08/157,409.87
  6. Step 6: Final answer
    x = 67,576.79

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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.