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Finding the Fourth Proportional to 122,953.80, 184,430.70 and 60,616.20

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Solution

The fourth proportional to 122,953.80, 184,430.70 and 60,616.20 is: 90,924.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,953.80 : 184,430.70 = 60,616.20 : x
  2. Step 2: Convert to fraction form
    122,953.80/184,430.70 = 60,616.20/x
  3. Step 3: Cross multiply
    122,953.80x = 184,430.70 × 60,616.20
  4. Step 4: Simplify right side
    122,953.80x = 11,179,488,197.34
  5. Step 5: Solve for x
    x = 11,179,488,197.34/122,953.80
  6. Step 6: Final answer
    x = 90,924.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.