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Finding the Fourth Proportional to 364,451.50, 546,764.93 and 115,133.50

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Solution

The fourth proportional to 364,451.50, 546,764.93 and 115,133.50 is: 172,727.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,451.50 : 546,764.93 = 115,133.50 : x
  2. Step 2: Convert to fraction form
    364,451.50/546,764.93 = 115,133.50/x
  3. Step 3: Cross multiply
    364,451.50x = 546,764.93 × 115,133.50
  4. Step 4: Simplify right side
    364,451.50x = 62,950,960,068.16
  5. Step 5: Solve for x
    x = 62,950,960,068.16/364,451.50
  6. Step 6: Final answer
    x = 172,727.95

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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.