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Finding the Fourth Proportional to 237,798.92, 328,172.86 and 142,287.32

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Solution

The fourth proportional to 237,798.92, 328,172.86 and 142,287.32 is: 196,362.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,798.92 : 328,172.86 = 142,287.32 : x
  2. Step 2: Convert to fraction form
    237,798.92/328,172.86 = 142,287.32/x
  3. Step 3: Cross multiply
    237,798.92x = 328,172.86 × 142,287.32
  4. Step 4: Simplify right side
    237,798.92x = 46,694,836,746.14
  5. Step 5: Solve for x
    x = 46,694,836,746.14/237,798.92
  6. Step 6: Final answer
    x = 196,362.69

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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.