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Finding the Fourth Proportional to 567,390.36, 851,210.08 and 168,062.40

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Solution

The fourth proportional to 567,390.36, 851,210.08 and 168,062.40 is: 252,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,390.36 : 851,210.08 = 168,062.40 : x
  2. Step 2: Convert to fraction form
    567,390.36/851,210.08 = 168,062.40/x
  3. Step 3: Cross multiply
    567,390.36x = 851,210.08 × 168,062.40
  4. Step 4: Simplify right side
    567,390.36x = 143,056,408,948.99
  5. Step 5: Solve for x
    x = 143,056,408,948.99/567,390.36
  6. Step 6: Final answer
    x = 252,130.49

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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.