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Finding the Fourth Proportional to 97,506.60, 145,974.78 and 88,168.08

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Solution

The fourth proportional to 97,506.60, 145,974.78 and 88,168.08 is: 131,994.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,506.60 : 145,974.78 = 88,168.08 : x
  2. Step 2: Convert to fraction form
    97,506.60/145,974.78 = 88,168.08/x
  3. Step 3: Cross multiply
    97,506.60x = 145,974.78 × 88,168.08
  4. Step 4: Simplify right side
    97,506.60x = 12,870,316,081.02
  5. Step 5: Solve for x
    x = 12,870,316,081.02/97,506.60
  6. Step 6: Final answer
    x = 131,994.31

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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.