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Finding the Fourth Proportional to 265,959.12, 366,987.20 and 152,781.84

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Solution

The fourth proportional to 265,959.12, 366,987.20 and 152,781.84 is: 210,818.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,959.12 : 366,987.20 = 152,781.84 : x
  2. Step 2: Convert to fraction form
    265,959.12/366,987.20 = 152,781.84/x
  3. Step 3: Cross multiply
    265,959.12x = 366,987.20 × 152,781.84
  4. Step 4: Simplify right side
    265,959.12x = 56,068,979,672.45
  5. Step 5: Solve for x
    x = 56,068,979,672.45/265,959.12
  6. Step 6: Final answer
    x = 210,818.04

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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.