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Finding the Fourth Proportional to 168,796.80, 253,154.70 and 97,565.40

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Solution

The fourth proportional to 168,796.80, 253,154.70 and 97,565.40 is: 146,324.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,796.80 : 253,154.70 = 97,565.40 : x
  2. Step 2: Convert to fraction form
    168,796.80/253,154.70 = 97,565.40/x
  3. Step 3: Cross multiply
    168,796.80x = 253,154.70 × 97,565.40
  4. Step 4: Simplify right side
    168,796.80x = 24,699,139,567.38
  5. Step 5: Solve for x
    x = 24,699,139,567.38/168,796.80
  6. Step 6: Final answer
    x = 146,324.69

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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.