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Finding the Fourth Proportional to 343,532.70, 515,302.65 and 94,214.70

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Solution

The fourth proportional to 343,532.70, 515,302.65 and 94,214.70 is: 141,323.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,532.70 : 515,302.65 = 94,214.70 : x
  2. Step 2: Convert to fraction form
    343,532.70/515,302.65 = 94,214.70/x
  3. Step 3: Cross multiply
    343,532.70x = 515,302.65 × 94,214.70
  4. Step 4: Simplify right side
    343,532.70x = 48,549,084,578.96
  5. Step 5: Solve for x
    x = 48,549,084,578.96/343,532.70
  6. Step 6: Final answer
    x = 141,323.04

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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.