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Finding the Fourth Proportional to 178,224.87, 245,953.35 and 97,660.25

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Solution

The fourth proportional to 178,224.87, 245,953.35 and 97,660.25 is: 134,772.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,224.87 : 245,953.35 = 97,660.25 : x
  2. Step 2: Convert to fraction form
    178,224.87/245,953.35 = 97,660.25/x
  3. Step 3: Cross multiply
    178,224.87x = 245,953.35 × 97,660.25
  4. Step 4: Simplify right side
    178,224.87x = 24,019,865,649.34
  5. Step 5: Solve for x
    x = 24,019,865,649.34/178,224.87
  6. Step 6: Final answer
    x = 134,772.80

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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.