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Finding the Fourth Proportional to 96,499.88, 133,173.60 and 54,058.76

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Solution

The fourth proportional to 96,499.88, 133,173.60 and 54,058.76 is: 74,603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,499.88 : 133,173.60 = 54,058.76 : x
  2. Step 2: Convert to fraction form
    96,499.88/133,173.60 = 54,058.76/x
  3. Step 3: Cross multiply
    96,499.88x = 133,173.60 × 54,058.76
  4. Step 4: Simplify right side
    96,499.88x = 7,199,199,680.74
  5. Step 5: Solve for x
    x = 7,199,199,680.74/96,499.88
  6. Step 6: Final answer
    x = 74,603.20

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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.