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Finding the Fourth Proportional to 349,980.47, 525,047.26 and 113,347.07

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Solution

The fourth proportional to 349,980.47, 525,047.26 and 113,347.07 is: 170,045.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,980.47 : 525,047.26 = 113,347.07 : x
  2. Step 2: Convert to fraction form
    349,980.47/525,047.26 = 113,347.07/x
  3. Step 3: Cross multiply
    349,980.47x = 525,047.26 × 113,347.07
  4. Step 4: Simplify right side
    349,980.47x = 59,512,565,623.92
  5. Step 5: Solve for x
    x = 59,512,565,623.92/349,980.47
  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.