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Finding the Fourth Proportional to 364,207.05, 546,366.81 and 124,264.71

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Solution

The fourth proportional to 364,207.05, 546,366.81 and 124,264.71 is: 186,416.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,207.05 : 546,366.81 = 124,264.71 : x
  2. Step 2: Convert to fraction form
    364,207.05/546,366.81 = 124,264.71/x
  3. Step 3: Cross multiply
    364,207.05x = 546,366.81 × 124,264.71
  4. Step 4: Simplify right side
    364,207.05x = 67,894,113,198.28
  5. Step 5: Solve for x
    x = 67,894,113,198.28/364,207.05
  6. Step 6: Final answer
    x = 186,416.25

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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.