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Finding the Fourth Proportional to 116,626.77, 174,714.62 and 97,681.86

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Solution

The fourth proportional to 116,626.77, 174,714.62 and 97,681.86 is: 146,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,626.77 : 174,714.62 = 97,681.86 : x
  2. Step 2: Convert to fraction form
    116,626.77/174,714.62 = 97,681.86/x
  3. Step 3: Cross multiply
    116,626.77x = 174,714.62 × 97,681.86
  4. Step 4: Simplify right side
    116,626.77x = 17,066,448,562.38
  5. Step 5: Solve for x
    x = 17,066,448,562.38/116,626.77
  6. Step 6: Final answer
    x = 146,333.89

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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.