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Finding the Fourth Proportional to 155,820.88, 214,996.18 and 94,565.71

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Solution

The fourth proportional to 155,820.88, 214,996.18 and 94,565.71 is: 130,478.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    155,820.88 : 214,996.18 = 94,565.71 : x
  2. Step 2: Convert to fraction form
    155,820.88/214,996.18 = 94,565.71/x
  3. Step 3: Cross multiply
    155,820.88x = 214,996.18 × 94,565.71
  4. Step 4: Simplify right side
    155,820.88x = 20,331,265,334.01
  5. Step 5: Solve for x
    x = 20,331,265,334.01/155,820.88
  6. Step 6: Final answer
    x = 130,478.44

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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.