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Finding the Fourth Proportional to 117,061.60, 175,592.40 and 57,906.40

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Solution

The fourth proportional to 117,061.60, 175,592.40 and 57,906.40 is: 86,859.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,061.60 : 175,592.40 = 57,906.40 : x
  2. Step 2: Convert to fraction form
    117,061.60/175,592.40 = 57,906.40/x
  3. Step 3: Cross multiply
    117,061.60x = 175,592.40 × 57,906.40
  4. Step 4: Simplify right side
    117,061.60x = 10,167,923,751.36
  5. Step 5: Solve for x
    x = 10,167,923,751.36/117,061.60
  6. Step 6: Final answer
    x = 86,859.60

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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.