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Finding the Fourth Proportional to 97,316.75, 134,296.89 and 54,874.98

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Solution

The fourth proportional to 97,316.75, 134,296.89 and 54,874.98 is: 75,727.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,316.75 : 134,296.89 = 54,874.98 : x
  2. Step 2: Convert to fraction form
    97,316.75/134,296.89 = 54,874.98/x
  3. Step 3: Cross multiply
    97,316.75x = 134,296.89 × 54,874.98
  4. Step 4: Simplify right side
    97,316.75x = 7,369,539,152.81
  5. Step 5: Solve for x
    x = 7,369,539,152.81/97,316.75
  6. Step 6: Final answer
    x = 75,727.35

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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.