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Finding the Fourth Proportional to 252,612.47, 378,807.53 and 94,730.21

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Solution

The fourth proportional to 252,612.47, 378,807.53 and 94,730.21 is: 142,053.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,612.47 : 378,807.53 = 94,730.21 : x
  2. Step 2: Convert to fraction form
    252,612.47/378,807.53 = 94,730.21/x
  3. Step 3: Cross multiply
    252,612.47x = 378,807.53 × 94,730.21
  4. Step 4: Simplify right side
    252,612.47x = 35,884,514,972.44
  5. Step 5: Solve for x
    x = 35,884,514,972.44/252,612.47
  6. Step 6: Final answer
    x = 142,053.62

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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.