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Finding the Fourth Proportional to 301,802.10, 452,415.15 and 112,211.70

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Solution

The fourth proportional to 301,802.10, 452,415.15 and 112,211.70 is: 168,210.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,802.10 : 452,415.15 = 112,211.70 : x
  2. Step 2: Convert to fraction form
    301,802.10/452,415.15 = 112,211.70/x
  3. Step 3: Cross multiply
    301,802.10x = 452,415.15 × 112,211.70
  4. Step 4: Simplify right side
    301,802.10x = 50,766,273,087.26
  5. Step 5: Solve for x
    x = 50,766,273,087.26/301,802.10
  6. Step 6: Final answer
    x = 168,210.47

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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.