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Finding the Fourth Proportional to 347,751.84, 521,663.16 and 120,017.82

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Solution

The fourth proportional to 347,751.84, 521,663.16 and 120,017.82 is: 180,038.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,751.84 : 521,663.16 = 120,017.82 : x
  2. Step 2: Convert to fraction form
    347,751.84/521,663.16 = 120,017.82/x
  3. Step 3: Cross multiply
    347,751.84x = 521,663.16 × 120,017.82
  4. Step 4: Simplify right side
    347,751.84x = 62,608,875,237.51
  5. Step 5: Solve for x
    x = 62,608,875,237.51/347,751.84
  6. Step 6: Final answer
    x = 180,038.95

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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.