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Finding the Fourth Proportional to 124,090.92, 171,245.34 and 67,502.16

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Solution

The fourth proportional to 124,090.92, 171,245.34 and 67,502.16 is: 93,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,090.92 : 171,245.34 = 67,502.16 : x
  2. Step 2: Convert to fraction form
    124,090.92/171,245.34 = 67,502.16/x
  3. Step 3: Cross multiply
    124,090.92x = 171,245.34 × 67,502.16
  4. Step 4: Simplify right side
    124,090.92x = 11,559,430,339.93
  5. Step 5: Solve for x
    x = 11,559,430,339.93/124,090.92
  6. Step 6: Final answer
    x = 93,152.91

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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.