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Finding the Fourth Proportional to 97,073.78, 134,003.15 and 65,261.13

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Solution

The fourth proportional to 97,073.78, 134,003.15 and 65,261.13 is: 90,088.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,073.78 : 134,003.15 = 65,261.13 : x
  2. Step 2: Convert to fraction form
    97,073.78/134,003.15 = 65,261.13/x
  3. Step 3: Cross multiply
    97,073.78x = 134,003.15 × 65,261.13
  4. Step 4: Simplify right side
    97,073.78x = 8,745,196,992.56
  5. Step 5: Solve for x
    x = 8,745,196,992.56/97,073.78
  6. Step 6: Final answer
    x = 90,088.15

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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.