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Finding the Fourth Proportional to 341,973.79, 512,987.16 and 114,270.19

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Solution

The fourth proportional to 341,973.79, 512,987.16 and 114,270.19 is: 171,414.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    341,973.79 : 512,987.16 = 114,270.19 : x
  2. Step 2: Convert to fraction form
    341,973.79/512,987.16 = 114,270.19/x
  3. Step 3: Cross multiply
    341,973.79x = 512,987.16 × 114,270.19
  4. Step 4: Simplify right side
    341,973.79x = 58,619,140,881.99
  5. Step 5: Solve for x
    x = 58,619,140,881.99/341,973.79
  6. Step 6: Final answer
    x = 171,414.13

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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.