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Finding the Fourth Proportional to 173,637.77, 239,512.85 and 119,165.07

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Solution

The fourth proportional to 173,637.77, 239,512.85 and 119,165.07 is: 164,374.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,637.77 : 239,512.85 = 119,165.07 : x
  2. Step 2: Convert to fraction form
    173,637.77/239,512.85 = 119,165.07/x
  3. Step 3: Cross multiply
    173,637.77x = 239,512.85 × 119,165.07
  4. Step 4: Simplify right side
    173,637.77x = 28,541,564,042.15
  5. Step 5: Solve for x
    x = 28,541,564,042.15/173,637.77
  6. Step 6: Final answer
    x = 164,374.17

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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.