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Finding the Fourth Proportional to 344,656.90, 516,985.53 and 108,018.01

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Solution

The fourth proportional to 344,656.90, 516,985.53 and 108,018.01 is: 162,027.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,656.90 : 516,985.53 = 108,018.01 : x
  2. Step 2: Convert to fraction form
    344,656.90/516,985.53 = 108,018.01/x
  3. Step 3: Cross multiply
    344,656.90x = 516,985.53 × 108,018.01
  4. Step 4: Simplify right side
    344,656.90x = 55,843,748,149.40
  5. Step 5: Solve for x
    x = 55,843,748,149.40/344,656.90
  6. Step 6: Final answer
    x = 162,027.07

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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.