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Finding the Fourth Proportional to 561,541.66, 842,188.79 and 162,095.68

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Solution

The fourth proportional to 561,541.66, 842,188.79 and 162,095.68 is: 243,107.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,541.66 : 842,188.79 = 162,095.68 : x
  2. Step 2: Convert to fraction form
    561,541.66/842,188.79 = 162,095.68/x
  3. Step 3: Cross multiply
    561,541.66x = 842,188.79 × 162,095.68
  4. Step 4: Simplify right side
    561,541.66x = 136,515,166,061.40
  5. Step 5: Solve for x
    x = 136,515,166,061.40/561,541.66
  6. Step 6: Final answer
    x = 243,107.81

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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.