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Finding the Fourth Proportional to 343,272.94, 514,909.51 and 106,615.64

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Solution

The fourth proportional to 343,272.94, 514,909.51 and 106,615.64 is: 159,923.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,272.94 : 514,909.51 = 106,615.64 : x
  2. Step 2: Convert to fraction form
    343,272.94/514,909.51 = 106,615.64/x
  3. Step 3: Cross multiply
    343,272.94x = 514,909.51 × 106,615.64
  4. Step 4: Simplify right side
    343,272.94x = 54,897,407,971.47
  5. Step 5: Solve for x
    x = 54,897,407,971.47/343,272.94
  6. Step 6: Final answer
    x = 159,923.50

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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.