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Finding the Fourth Proportional to 144,543.68, 216,667.28 and 55,762.28

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Solution

The fourth proportional to 144,543.68, 216,667.28 and 55,762.28 is: 83,586.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,543.68 : 216,667.28 = 55,762.28 : x
  2. Step 2: Convert to fraction form
    144,543.68/216,667.28 = 55,762.28/x
  3. Step 3: Cross multiply
    144,543.68x = 216,667.28 × 55,762.28
  4. Step 4: Simplify right side
    144,543.68x = 12,081,861,534.20
  5. Step 5: Solve for x
    x = 12,081,861,534.20/144,543.68
  6. Step 6: Final answer
    x = 83,586.23

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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.