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Finding the Fourth Proportional to 124,374.44, 171,641.31 and 70,668.55

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Solution

The fourth proportional to 124,374.44, 171,641.31 and 70,668.55 is: 97,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,374.44 : 171,641.31 = 70,668.55 : x
  2. Step 2: Convert to fraction form
    124,374.44/171,641.31 = 70,668.55/x
  3. Step 3: Cross multiply
    124,374.44x = 171,641.31 × 70,668.55
  4. Step 4: Simplify right side
    124,374.44x = 12,129,642,844.86
  5. Step 5: Solve for x
    x = 12,129,642,844.86/124,374.44
  6. Step 6: Final answer
    x = 97,525.21

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1.5x scale

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.