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Finding the Fourth Proportional to 151,728.40, 227,779.80 and 95,568.40

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Solution

The fourth proportional to 151,728.40, 227,779.80 and 95,568.40 is: 143,470.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    151,728.40 : 227,779.80 = 95,568.40 : x
  2. Step 2: Convert to fraction form
    151,728.40/227,779.80 = 95,568.40/x
  3. Step 3: Cross multiply
    151,728.40x = 227,779.80 × 95,568.40
  4. Step 4: Simplify right side
    151,728.40x = 21,768,551,038.32
  5. Step 5: Solve for x
    x = 21,768,551,038.32/151,728.40
  6. Step 6: Final answer
    x = 143,470.51

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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.