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Finding the Fourth Proportional to 173,698.30, 239,686.71 and 97,212.83

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Solution

The fourth proportional to 173,698.30, 239,686.71 and 97,212.83 is: 134,144.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,698.30 : 239,686.71 = 97,212.83 : x
  2. Step 2: Convert to fraction form
    173,698.30/239,686.71 = 97,212.83/x
  3. Step 3: Cross multiply
    173,698.30x = 239,686.71 × 97,212.83
  4. Step 4: Simplify right side
    173,698.30x = 23,300,623,392.49
  5. Step 5: Solve for x
    x = 23,300,623,392.49/173,698.30
  6. Step 6: Final answer
    x = 134,144.22

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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.