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Finding the Fourth Proportional to 122,523.10, 171,707.30 and 122,523.10

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Solution

The fourth proportional to 122,523.10, 171,707.30 and 122,523.10 is: 171,707.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,523.10 : 171,707.30 = 122,523.10 : x
  2. Step 2: Convert to fraction form
    122,523.10/171,707.30 = 122,523.10/x
  3. Step 3: Cross multiply
    122,523.10x = 171,707.30 × 122,523.10
  4. Step 4: Simplify right side
    122,523.10x = 21,038,110,688.63
  5. Step 5: Solve for x
    x = 21,038,110,688.63/122,523.10
  6. Step 6: Final answer
    x = 171,707.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.