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Finding the Fourth Proportional to 364,905.19, 547,410.17 and 112,206.93

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Solution

The fourth proportional to 364,905.19, 547,410.17 and 112,206.93 is: 168,326.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,905.19 : 547,410.17 = 112,206.93 : x
  2. Step 2: Convert to fraction form
    364,905.19/547,410.17 = 112,206.93/x
  3. Step 3: Cross multiply
    364,905.19x = 547,410.17 × 112,206.93
  4. Step 4: Simplify right side
    364,905.19x = 61,423,211,328.39
  5. Step 5: Solve for x
    x = 61,423,211,328.39/364,905.19
  6. Step 6: Final answer
    x = 168,326.49

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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.