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Finding the Fourth Proportional to 97,755.98, 134,903.27 and 55,313.66

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Solution

The fourth proportional to 97,755.98, 134,903.27 and 55,313.66 is: 76,332.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,755.98 : 134,903.27 = 55,313.66 : x
  2. Step 2: Convert to fraction form
    97,755.98/134,903.27 = 55,313.66/x
  3. Step 3: Cross multiply
    97,755.98x = 134,903.27 × 55,313.66
  4. Step 4: Simplify right side
    97,755.98x = 7,461,993,609.67
  5. Step 5: Solve for x
    x = 7,461,993,609.67/97,755.98
  6. Step 6: Final answer
    x = 76,332.86

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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.