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Finding the Fourth Proportional to 124,308, 171,548.64 and 70,596

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Solution

The fourth proportional to 124,308, 171,548.64 and 70,596 is: 97,424.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,308 : 171,548.64 = 70,596 : x
  2. Step 2: Convert to fraction form
    124,308/171,548.64 = 70,596/x
  3. Step 3: Cross multiply
    124,308x = 171,548.64 × 70,596
  4. Step 4: Simplify right side
    124,308x = 12,110,647,789.44
  5. Step 5: Solve for x
    x = 12,110,647,789.44/124,308
  6. Step 6: Final answer
    x = 97,424.52

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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.