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Finding the Fourth Proportional to 168,688.37, 252,946.56 and 56,328.23

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Solution

The fourth proportional to 168,688.37, 252,946.56 and 56,328.23 is: 84,463.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,688.37 : 252,946.56 = 56,328.23 : x
  2. Step 2: Convert to fraction form
    168,688.37/252,946.56 = 56,328.23/x
  3. Step 3: Cross multiply
    168,688.37x = 252,946.56 × 56,328.23
  4. Step 4: Simplify right side
    168,688.37x = 14,248,032,009.39
  5. Step 5: Solve for x
    x = 14,248,032,009.39/168,688.37
  6. Step 6: Final answer
    x = 84,463.63

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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.