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Finding the Fourth Proportional to 344,587.34, 516,881.14 and 107,948.40

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Solution

The fourth proportional to 344,587.34, 516,881.14 and 107,948.40 is: 161,922.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,587.34 : 516,881.14 = 107,948.40 : x
  2. Step 2: Convert to fraction form
    344,587.34/516,881.14 = 107,948.40/x
  3. Step 3: Cross multiply
    344,587.34x = 516,881.14 × 107,948.40
  4. Step 4: Simplify right side
    344,587.34x = 55,796,492,053.18
  5. Step 5: Solve for x
    x = 55,796,492,053.18/344,587.34
  6. Step 6: Final answer
    x = 161,922.64

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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.