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Finding the Fourth Proportional to 215,352.63, 297,189.47 and 118,567.76

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Solution

The fourth proportional to 215,352.63, 297,189.47 and 118,567.76 is: 163,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,352.63 : 297,189.47 = 118,567.76 : x
  2. Step 2: Convert to fraction form
    215,352.63/297,189.47 = 118,567.76/x
  3. Step 3: Cross multiply
    215,352.63x = 297,189.47 × 118,567.76
  4. Step 4: Simplify right side
    215,352.63x = 35,237,088,563.96
  5. Step 5: Solve for x
    x = 35,237,088,563.96/215,352.63
  6. Step 6: Final answer
    x = 163,625.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.