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Finding the Fourth Proportional to 242,887.88, 364,155.66 and 163,805.96

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Solution

The fourth proportional to 242,887.88, 364,155.66 and 163,805.96 is: 245,590.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,887.88 : 364,155.66 = 163,805.96 : x
  2. Step 2: Convert to fraction form
    242,887.88/364,155.66 = 163,805.96/x
  3. Step 3: Cross multiply
    242,887.88x = 364,155.66 × 163,805.96
  4. Step 4: Simplify right side
    242,887.88x = 59,650,867,475.73
  5. Step 5: Solve for x
    x = 59,650,867,475.73/242,887.88
  6. Step 6: Final answer
    x = 245,590.14

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1.5x scale

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.