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Finding the Fourth Proportional to 256,094.08, 353,410.14 and 142,916.92

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Solution

The fourth proportional to 256,094.08, 353,410.14 and 142,916.92 is: 197,225.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    256,094.08 : 353,410.14 = 142,916.92 : x
  2. Step 2: Convert to fraction form
    256,094.08/353,410.14 = 142,916.92/x
  3. Step 3: Cross multiply
    256,094.08x = 353,410.14 × 142,916.92
  4. Step 4: Simplify right side
    256,094.08x = 50,508,288,705.57
  5. Step 5: Solve for x
    x = 50,508,288,705.57/256,094.08
  6. Step 6: Final answer
    x = 197,225.52

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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.