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Finding the Fourth Proportional to 90,027.48, 134,798.22 and 60,381.48

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Solution

The fourth proportional to 90,027.48, 134,798.22 and 60,381.48 is: 90,409.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,027.48 : 134,798.22 = 60,381.48 : x
  2. Step 2: Convert to fraction form
    90,027.48/134,798.22 = 60,381.48/x
  3. Step 3: Cross multiply
    90,027.48x = 134,798.22 × 60,381.48
  4. Step 4: Simplify right side
    90,027.48x = 8,139,316,024.97
  5. Step 5: Solve for x
    x = 8,139,316,024.97/90,027.48
  6. Step 6: Final answer
    x = 90,409.24

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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.