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Finding the Fourth Proportional to 214,026.10, 320,963.55 and 73,752.10

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Solution

The fourth proportional to 214,026.10, 320,963.55 and 73,752.10 is: 110,602.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    214,026.10 : 320,963.55 = 73,752.10 : x
  2. Step 2: Convert to fraction form
    214,026.10/320,963.55 = 73,752.10/x
  3. Step 3: Cross multiply
    214,026.10x = 320,963.55 × 73,752.10
  4. Step 4: Simplify right side
    214,026.10x = 23,671,735,835.96
  5. Step 5: Solve for x
    x = 23,671,735,835.96/214,026.10
  6. Step 6: Final answer
    x = 110,602.10

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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.