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Finding the Fourth Proportional to 172,362.48, 258,009.08 and 93,280.56

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Solution

The fourth proportional to 172,362.48, 258,009.08 and 93,280.56 is: 139,631.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,362.48 : 258,009.08 = 93,280.56 : x
  2. Step 2: Convert to fraction form
    172,362.48/258,009.08 = 93,280.56/x
  3. Step 3: Cross multiply
    172,362.48x = 258,009.08 × 93,280.56
  4. Step 4: Simplify right side
    172,362.48x = 24,067,231,467.48
  5. Step 5: Solve for x
    x = 24,067,231,467.48/172,362.48
  6. Step 6: Final answer
    x = 139,631.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.