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Finding the Fourth Proportional to 134,745.60, 186,024.96 and 93,427.20

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Solution

The fourth proportional to 134,745.60, 186,024.96 and 93,427.20 is: 128,982.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,745.60 : 186,024.96 = 93,427.20 : x
  2. Step 2: Convert to fraction form
    134,745.60/186,024.96 = 93,427.20/x
  3. Step 3: Cross multiply
    134,745.60x = 186,024.96 × 93,427.20
  4. Step 4: Simplify right side
    134,745.60x = 17,379,791,142.91
  5. Step 5: Solve for x
    x = 17,379,791,142.91/134,745.60
  6. Step 6: Final answer
    x = 128,982.25

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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.