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Finding the Fourth Proportional to 301,689.70, 452,528.61 and 121,770.35

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Solution

The fourth proportional to 301,689.70, 452,528.61 and 121,770.35 is: 182,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,689.70 : 452,528.61 = 121,770.35 : x
  2. Step 2: Convert to fraction form
    301,689.70/452,528.61 = 121,770.35/x
  3. Step 3: Cross multiply
    301,689.70x = 452,528.61 × 121,770.35
  4. Step 4: Simplify right side
    301,689.70x = 55,104,567,224.71
  5. Step 5: Solve for x
    x = 55,104,567,224.71/301,689.70
  6. Step 6: Final answer
    x = 182,653.13

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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.