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Finding the Fourth Proportional to 172,362.90, 237,894.87 and 111,848.58

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Solution

The fourth proportional to 172,362.90, 237,894.87 and 111,848.58 is: 154,373.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,362.90 : 237,894.87 = 111,848.58 : x
  2. Step 2: Convert to fraction form
    172,362.90/237,894.87 = 111,848.58/x
  3. Step 3: Cross multiply
    172,362.90x = 237,894.87 × 111,848.58
  4. Step 4: Simplify right side
    172,362.90x = 26,608,203,398.78
  5. Step 5: Solve for x
    x = 26,608,203,398.78/172,362.90
  6. Step 6: Final answer
    x = 154,373.15

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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.