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Finding the Fourth Proportional to 83,973.30, 125,959.95 and 83,973.30

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Solution

The fourth proportional to 83,973.30, 125,959.95 and 83,973.30 is: 125,959.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,973.30 : 125,959.95 = 83,973.30 : x
  2. Step 2: Convert to fraction form
    83,973.30/125,959.95 = 83,973.30/x
  3. Step 3: Cross multiply
    83,973.30x = 125,959.95 × 83,973.30
  4. Step 4: Simplify right side
    83,973.30x = 10,577,272,669.34
  5. Step 5: Solve for x
    x = 10,577,272,669.34/83,973.30
  6. Step 6: Final answer
    x = 125,959.95

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1.5x scale

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.