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Finding the Fourth Proportional to 180,504.77, 249,162.01 and 105,053.27

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Solution

The fourth proportional to 180,504.77, 249,162.01 and 105,053.27 is: 145,011.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,504.77 : 249,162.01 = 105,053.27 : x
  2. Step 2: Convert to fraction form
    180,504.77/249,162.01 = 105,053.27/x
  3. Step 3: Cross multiply
    180,504.77x = 249,162.01 × 105,053.27
  4. Step 4: Simplify right side
    180,504.77x = 26,175,282,401.83
  5. Step 5: Solve for x
    x = 26,175,282,401.83/180,504.77
  6. Step 6: Final answer
    x = 145,011.59

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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.