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Finding the Fourth Proportional to 153,027.60, 229,541.40 and 128,533.20

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Solution

The fourth proportional to 153,027.60, 229,541.40 and 128,533.20 is: 192,799.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,027.60 : 229,541.40 = 128,533.20 : x
  2. Step 2: Convert to fraction form
    153,027.60/229,541.40 = 128,533.20/x
  3. Step 3: Cross multiply
    153,027.60x = 229,541.40 × 128,533.20
  4. Step 4: Simplify right side
    153,027.60x = 29,503,690,674.48
  5. Step 5: Solve for x
    x = 29,503,690,674.48/153,027.60
  6. Step 6: Final answer
    x = 192,799.80

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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.