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Finding the Fourth Proportional to 164,095.78, 246,143.61 and 39,436.78

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Solution

The fourth proportional to 164,095.78, 246,143.61 and 39,436.78 is: 59,155.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,095.78 : 246,143.61 = 39,436.78 : x
  2. Step 2: Convert to fraction form
    164,095.78/246,143.61 = 39,436.78/x
  3. Step 3: Cross multiply
    164,095.78x = 246,143.61 × 39,436.78
  4. Step 4: Simplify right side
    164,095.78x = 9,707,111,395.98
  5. Step 5: Solve for x
    x = 9,707,111,395.98/164,095.78
  6. Step 6: Final answer
    x = 59,155.16

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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.