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Finding the Fourth Proportional to 181,730.80, 272,887.80 and 122,827.60

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Solution

The fourth proportional to 181,730.80, 272,887.80 and 122,827.60 is: 184,438.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,730.80 : 272,887.80 = 122,827.60 : x
  2. Step 2: Convert to fraction form
    181,730.80/272,887.80 = 122,827.60/x
  3. Step 3: Cross multiply
    181,730.80x = 272,887.80 × 122,827.60
  4. Step 4: Simplify right side
    181,730.80x = 33,518,153,543.28
  5. Step 5: Solve for x
    x = 33,518,153,543.28/181,730.80
  6. Step 6: Final answer
    x = 184,438.49

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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.