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Finding the Fourth Proportional to 119,332.09, 164,703.45 and 75,696.49

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Solution

The fourth proportional to 119,332.09, 164,703.45 and 75,696.49 is: 104,477.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,332.09 : 164,703.45 = 75,696.49 : x
  2. Step 2: Convert to fraction form
    119,332.09/164,703.45 = 75,696.49/x
  3. Step 3: Cross multiply
    119,332.09x = 164,703.45 × 75,696.49
  4. Step 4: Simplify right side
    119,332.09x = 12,467,473,055.89
  5. Step 5: Solve for x
    x = 12,467,473,055.89/119,332.09
  6. Step 6: Final answer
    x = 104,477.12

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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.