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Finding the Fourth Proportional to 219,035.01, 302,250.15 and 123,565.17

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Solution

The fourth proportional to 219,035.01, 302,250.15 and 123,565.17 is: 170,509.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,035.01 : 302,250.15 = 123,565.17 : x
  2. Step 2: Convert to fraction form
    219,035.01/302,250.15 = 123,565.17/x
  3. Step 3: Cross multiply
    219,035.01x = 302,250.15 × 123,565.17
  4. Step 4: Simplify right side
    219,035.01x = 37,347,591,167.28
  5. Step 5: Solve for x
    x = 37,347,591,167.28/219,035.01
  6. Step 6: Final answer
    x = 170,509.69

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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.