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Finding the Fourth Proportional to 245,582.52, 368,358.74 and 144,436.50

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Solution

The fourth proportional to 245,582.52, 368,358.74 and 144,436.50 is: 216,645.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    245,582.52 : 368,358.74 = 144,436.50 : x
  2. Step 2: Convert to fraction form
    245,582.52/368,358.74 = 144,436.50/x
  3. Step 3: Cross multiply
    245,582.52x = 368,358.74 × 144,436.50
  4. Step 4: Simplify right side
    245,582.52x = 53,204,446,969.46
  5. Step 5: Solve for x
    x = 53,204,446,969.46/245,582.52
  6. Step 6: Final answer
    x = 216,645.91

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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.