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Finding the Fourth Proportional to 115,427.60, 173,141.40 and 95,728.40

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Solution

The fourth proportional to 115,427.60, 173,141.40 and 95,728.40 is: 143,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,427.60 : 173,141.40 = 95,728.40 : x
  2. Step 2: Convert to fraction form
    115,427.60/173,141.40 = 95,728.40/x
  3. Step 3: Cross multiply
    115,427.60x = 173,141.40 × 95,728.40
  4. Step 4: Simplify right side
    115,427.60x = 16,574,549,195.76
  5. Step 5: Solve for x
    x = 16,574,549,195.76/115,427.60
  6. Step 6: Final answer
    x = 143,592.60

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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.