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Finding the Fourth Proportional to 344,543.04, 516,773.54 and 91,842.48

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Solution

The fourth proportional to 344,543.04, 516,773.54 and 91,842.48 is: 137,752.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,543.04 : 516,773.54 = 91,842.48 : x
  2. Step 2: Convert to fraction form
    344,543.04/516,773.54 = 91,842.48/x
  3. Step 3: Cross multiply
    344,543.04x = 516,773.54 × 91,842.48
  4. Step 4: Simplify right side
    344,543.04x = 47,461,763,741.59
  5. Step 5: Solve for x
    x = 47,461,763,741.59/344,543.04
  6. Step 6: Final answer
    x = 137,752.79

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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.