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Finding the Fourth Proportional to 173,489.77, 239,416.32 and 97,011.64

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Solution

The fourth proportional to 173,489.77, 239,416.32 and 97,011.64 is: 133,876.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,489.77 : 239,416.32 = 97,011.64 : x
  2. Step 2: Convert to fraction form
    173,489.77/239,416.32 = 97,011.64/x
  3. Step 3: Cross multiply
    173,489.77x = 239,416.32 × 97,011.64
  4. Step 4: Simplify right side
    173,489.77x = 23,226,169,845.96
  5. Step 5: Solve for x
    x = 23,226,169,845.96/173,489.77
  6. Step 6: Final answer
    x = 133,876.31

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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.