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Finding the Fourth Proportional to 93,058.01, 128,410.07 and 54,814.56

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Solution

The fourth proportional to 93,058.01, 128,410.07 and 54,814.56 is: 75,638.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,058.01 : 128,410.07 = 54,814.56 : x
  2. Step 2: Convert to fraction form
    93,058.01/128,410.07 = 54,814.56/x
  3. Step 3: Cross multiply
    93,058.01x = 128,410.07 × 54,814.56
  4. Step 4: Simplify right side
    93,058.01x = 7,038,741,212.55
  5. Step 5: Solve for x
    x = 7,038,741,212.55/93,058.01
  6. Step 6: Final answer
    x = 75,638.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.