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Finding the Fourth Proportional to 177,612.85, 245,102.87 and 97,038.64

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Solution

The fourth proportional to 177,612.85, 245,102.87 and 97,038.64 is: 133,911.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,612.85 : 245,102.87 = 97,038.64 : x
  2. Step 2: Convert to fraction form
    177,612.85/245,102.87 = 97,038.64/x
  3. Step 3: Cross multiply
    177,612.85x = 245,102.87 × 97,038.64
  4. Step 4: Simplify right side
    177,612.85x = 23,784,448,679.70
  5. Step 5: Solve for x
    x = 23,784,448,679.70/177,612.85
  6. Step 6: Final answer
    x = 133,911.76

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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.