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Finding the Fourth Proportional to 177,320.32, 265,945.60 and 52,633.60

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Solution

The fourth proportional to 177,320.32, 265,945.60 and 52,633.60 is: 78,940.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,320.32 : 265,945.60 = 52,633.60 : x
  2. Step 2: Convert to fraction form
    177,320.32/265,945.60 = 52,633.60/x
  3. Step 3: Cross multiply
    177,320.32x = 265,945.60 × 52,633.60
  4. Step 4: Simplify right side
    177,320.32x = 13,997,674,332.16
  5. Step 5: Solve for x
    x = 13,997,674,332.16/177,320.32
  6. Step 6: Final answer
    x = 78,940.05

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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.