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Finding the Fourth Proportional to 62,100.04, 85,798.26 and 43,321

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Solution

The fourth proportional to 62,100.04, 85,798.26 and 43,321 is: 59,852.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,100.04 : 85,798.26 = 43,321 : x
  2. Step 2: Convert to fraction form
    62,100.04/85,798.26 = 43,321/x
  3. Step 3: Cross multiply
    62,100.04x = 85,798.26 × 43,321
  4. Step 4: Simplify right side
    62,100.04x = 3,716,866,421.46
  5. Step 5: Solve for x
    x = 3,716,866,421.46/62,100.04
  6. Step 6: Final answer
    x = 59,852.88

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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.