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Finding the Fourth Proportional to 124,373.36, 171,630.24 and 67,783.52

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Solution

The fourth proportional to 124,373.36, 171,630.24 and 67,783.52 is: 93,538.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,373.36 : 171,630.24 = 67,783.52 : x
  2. Step 2: Convert to fraction form
    124,373.36/171,630.24 = 67,783.52/x
  3. Step 3: Cross multiply
    124,373.36x = 171,630.24 × 67,783.52
  4. Step 4: Simplify right side
    124,373.36x = 11,633,701,805.64
  5. Step 5: Solve for x
    x = 11,633,701,805.64/124,373.36
  6. Step 6: Final answer
    x = 93,538.53

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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.