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Finding the Fourth Proportional to 183,959.68, 253,856.88 and 112,459.36

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Solution

The fourth proportional to 183,959.68, 253,856.88 and 112,459.36 is: 155,189.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,959.68 : 253,856.88 = 112,459.36 : x
  2. Step 2: Convert to fraction form
    183,959.68/253,856.88 = 112,459.36/x
  3. Step 3: Cross multiply
    183,959.68x = 253,856.88 × 112,459.36
  4. Step 4: Simplify right side
    183,959.68x = 28,548,582,256.40
  5. Step 5: Solve for x
    x = 28,548,582,256.40/183,959.68
  6. Step 6: Final answer
    x = 155,189.35

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1.5x scale

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.