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Finding the Fourth Proportional to 349,980.46, 525,047.25 and 113,347.06

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Solution

The fourth proportional to 349,980.46, 525,047.25 and 113,347.06 is: 170,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,980.46 : 525,047.25 = 113,347.06 : x
  2. Step 2: Convert to fraction form
    349,980.46/525,047.25 = 113,347.06/x
  3. Step 3: Cross multiply
    349,980.46x = 525,047.25 × 113,347.06
  4. Step 4: Simplify right side
    349,980.46x = 59,512,563,229.95
  5. Step 5: Solve for x
    x = 59,512,563,229.95/349,980.46
  6. Step 6: Final answer
    x = 170,045.39

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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.