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Finding the Fourth Proportional to 245,567.32, 368,350.98 and 162,441.88

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Solution

The fourth proportional to 245,567.32, 368,350.98 and 162,441.88 is: 243,662.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,567.32 : 368,350.98 = 162,441.88 : x
  2. Step 2: Convert to fraction form
    245,567.32/368,350.98 = 162,441.88/x
  3. Step 3: Cross multiply
    245,567.32x = 368,350.98 × 162,441.88
  4. Step 4: Simplify right side
    245,567.32x = 59,835,625,691.04
  5. Step 5: Solve for x
    x = 59,835,625,691.04/245,567.32
  6. Step 6: Final answer
    x = 243,662.82

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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.