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Finding the Fourth Proportional to 124,374.25, 171,641.10 and 70,668.37

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Solution

The fourth proportional to 124,374.25, 171,641.10 and 70,668.37 is: 97,524.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.25 : 171,641.10 = 70,668.37 : x
  2. Step 2: Convert to fraction form
    124,374.25/171,641.10 = 70,668.37/x
  3. Step 3: Cross multiply
    124,374.25x = 171,641.10 × 70,668.37
  4. Step 4: Simplify right side
    124,374.25x = 12,129,596,762.01
  5. Step 5: Solve for x
    x = 12,129,596,762.01/124,374.25
  6. Step 6: Final answer
    x = 97,524.98

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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.