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Finding the Fourth Proportional to 153,953.60, 230,541.60 and 101,076.80

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Solution

The fourth proportional to 153,953.60, 230,541.60 and 101,076.80 is: 151,359.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,953.60 : 230,541.60 = 101,076.80 : x
  2. Step 2: Convert to fraction form
    153,953.60/230,541.60 = 101,076.80/x
  3. Step 3: Cross multiply
    153,953.60x = 230,541.60 × 101,076.80
  4. Step 4: Simplify right side
    153,953.60x = 23,302,407,194.88
  5. Step 5: Solve for x
    x = 23,302,407,194.88/153,953.60
  6. Step 6: Final answer
    x = 151,359.94

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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.