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Finding the Fourth Proportional to 205,094.40, 307,641.60 and 116,313.60

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Solution

The fourth proportional to 205,094.40, 307,641.60 and 116,313.60 is: 174,470.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,094.40 : 307,641.60 = 116,313.60 : x
  2. Step 2: Convert to fraction form
    205,094.40/307,641.60 = 116,313.60/x
  3. Step 3: Cross multiply
    205,094.40x = 307,641.60 × 116,313.60
  4. Step 4: Simplify right side
    205,094.40x = 35,782,902,005.76
  5. Step 5: Solve for x
    x = 35,782,902,005.76/205,094.40
  6. Step 6: Final answer
    x = 174,470.40

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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.