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Finding the Fourth Proportional to 254,483.60, 351,154.32 and 141,284.48

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Solution

The fourth proportional to 254,483.60, 351,154.32 and 141,284.48 is: 194,954.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,483.60 : 351,154.32 = 141,284.48 : x
  2. Step 2: Convert to fraction form
    254,483.60/351,154.32 = 141,284.48/x
  3. Step 3: Cross multiply
    254,483.60x = 351,154.32 × 141,284.48
  4. Step 4: Simplify right side
    254,483.60x = 49,612,655,500.95
  5. Step 5: Solve for x
    x = 49,612,655,500.95/254,483.60
  6. Step 6: Final answer
    x = 194,954.23

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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.