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Finding the Fourth Proportional to 292,080.15, 403,073.69 and 163,030.95

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Solution

The fourth proportional to 292,080.15, 403,073.69 and 163,030.95 is: 224,984.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,080.15 : 403,073.69 = 163,030.95 : x
  2. Step 2: Convert to fraction form
    292,080.15/403,073.69 = 163,030.95/x
  3. Step 3: Cross multiply
    292,080.15x = 403,073.69 × 163,030.95
  4. Step 4: Simplify right side
    292,080.15x = 65,713,485,785.55
  5. Step 5: Solve for x
    x = 65,713,485,785.55/292,080.15
  6. Step 6: Final answer
    x = 224,984.43

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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.