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Finding the Fourth Proportional to 144,127.68, 216,041.06 and 49,329.94

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Solution

The fourth proportional to 144,127.68, 216,041.06 and 49,329.94 is: 73,943.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,127.68 : 216,041.06 = 49,329.94 : x
  2. Step 2: Convert to fraction form
    144,127.68/216,041.06 = 49,329.94/x
  3. Step 3: Cross multiply
    144,127.68x = 216,041.06 × 49,329.94
  4. Step 4: Simplify right side
    144,127.68x = 10,657,292,527.34
  5. Step 5: Solve for x
    x = 10,657,292,527.34/144,127.68
  6. Step 6: Final answer
    x = 73,943.41

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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.