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Finding the Fourth Proportional to 60,402.94, 90,197.63 and 49,331.59

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Solution

The fourth proportional to 60,402.94, 90,197.63 and 49,331.59 is: 73,665.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,402.94 : 90,197.63 = 49,331.59 : x
  2. Step 2: Convert to fraction form
    60,402.94/90,197.63 = 49,331.59/x
  3. Step 3: Cross multiply
    60,402.94x = 90,197.63 × 49,331.59
  4. Step 4: Simplify right side
    60,402.94x = 4,449,592,502.13
  5. Step 5: Solve for x
    x = 4,449,592,502.13/60,402.94
  6. Step 6: Final answer
    x = 73,665.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.