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Finding the Fourth Proportional to 177,622.64, 245,111.64 and 97,048.88

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Solution

The fourth proportional to 177,622.64, 245,111.64 and 97,048.88 is: 133,923.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,622.64 : 245,111.64 = 97,048.88 : x
  2. Step 2: Convert to fraction form
    177,622.64/245,111.64 = 97,048.88/x
  3. Step 3: Cross multiply
    177,622.64x = 245,111.64 × 97,048.88
  4. Step 4: Simplify right side
    177,622.64x = 23,787,810,136.96
  5. Step 5: Solve for x
    x = 23,787,810,136.96/177,622.64
  6. Step 6: Final answer
    x = 133,923.30

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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.