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Finding the Fourth Proportional to 369,006.69, 553,587.81 and 119,669.25

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Solution

The fourth proportional to 369,006.69, 553,587.81 and 119,669.25 is: 179,529.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,006.69 : 553,587.81 = 119,669.25 : x
  2. Step 2: Convert to fraction form
    369,006.69/553,587.81 = 119,669.25/x
  3. Step 3: Cross multiply
    369,006.69x = 553,587.81 × 119,669.25
  4. Step 4: Simplify right side
    369,006.69x = 66,247,438,031.84
  5. Step 5: Solve for x
    x = 66,247,438,031.84/369,006.69
  6. Step 6: Final answer
    x = 179,529.10

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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.