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Finding the Fourth Proportional to 368,751.84, 553,004.68 and 144,054.04

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Solution

The fourth proportional to 368,751.84, 553,004.68 and 144,054.04 is: 216,032.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,751.84 : 553,004.68 = 144,054.04 : x
  2. Step 2: Convert to fraction form
    368,751.84/553,004.68 = 144,054.04/x
  3. Step 3: Cross multiply
    368,751.84x = 553,004.68 × 144,054.04
  4. Step 4: Simplify right side
    368,751.84x = 79,662,558,292.91
  5. Step 5: Solve for x
    x = 79,662,558,292.91/368,751.84
  6. Step 6: Final answer
    x = 216,032.98

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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.