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Finding the Fourth Proportional to 144,051.36, 216,100.08 and 60,946.08

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Solution

The fourth proportional to 144,051.36, 216,100.08 and 60,946.08 is: 91,428.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,051.36 : 216,100.08 = 60,946.08 : x
  2. Step 2: Convert to fraction form
    144,051.36/216,100.08 = 60,946.08/x
  3. Step 3: Cross multiply
    144,051.36x = 216,100.08 × 60,946.08
  4. Step 4: Simplify right side
    144,051.36x = 13,170,452,763.69
  5. Step 5: Solve for x
    x = 13,170,452,763.69/144,051.36
  6. Step 6: Final answer
    x = 91,428.87

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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.