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Finding the Fourth Proportional to 97,630.68, 134,730.54 and 52,918.68

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Solution

The fourth proportional to 97,630.68, 134,730.54 and 52,918.68 is: 73,027.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    97,630.68 : 134,730.54 = 52,918.68 : x
  2. Step 2: Convert to fraction form
    97,630.68/134,730.54 = 52,918.68/x
  3. Step 3: Cross multiply
    97,630.68x = 134,730.54 × 52,918.68
  4. Step 4: Simplify right side
    97,630.68x = 7,129,762,332.49
  5. Step 5: Solve for x
    x = 7,129,762,332.49/97,630.68
  6. Step 6: Final answer
    x = 73,027.89

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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.