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Finding the Fourth Proportional to 144,529.69, 216,646.29 and 55,748.29

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Solution

The fourth proportional to 144,529.69, 216,646.29 and 55,748.29 is: 83,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,529.69 : 216,646.29 = 55,748.29 : x
  2. Step 2: Convert to fraction form
    144,529.69/216,646.29 = 55,748.29/x
  3. Step 3: Cross multiply
    144,529.69x = 216,646.29 × 55,748.29
  4. Step 4: Simplify right side
    144,529.69x = 12,077,660,202.34
  5. Step 5: Solve for x
    x = 12,077,660,202.34/144,529.69
  6. Step 6: Final answer
    x = 83,565.25

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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.