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Finding the Fourth Proportional to 343,152.08, 514,809.65 and 118,514.37

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Solution

The fourth proportional to 343,152.08, 514,809.65 and 118,514.37 is: 177,799.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,152.08 : 514,809.65 = 118,514.37 : x
  2. Step 2: Convert to fraction form
    343,152.08/514,809.65 = 118,514.37/x
  3. Step 3: Cross multiply
    343,152.08x = 514,809.65 × 118,514.37
  4. Step 4: Simplify right side
    343,152.08x = 61,012,341,339.67
  5. Step 5: Solve for x
    x = 61,012,341,339.67/343,152.08
  6. Step 6: Final answer
    x = 177,799.71

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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.