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Finding the Fourth Proportional to 118,232.80, 177,349.20 and 97,237.60

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Solution

The fourth proportional to 118,232.80, 177,349.20 and 97,237.60 is: 145,856.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,232.80 : 177,349.20 = 97,237.60 : x
  2. Step 2: Convert to fraction form
    118,232.80/177,349.20 = 97,237.60/x
  3. Step 3: Cross multiply
    118,232.80x = 177,349.20 × 97,237.60
  4. Step 4: Simplify right side
    118,232.80x = 17,245,010,569.92
  5. Step 5: Solve for x
    x = 17,245,010,569.92/118,232.80
  6. Step 6: Final answer
    x = 145,856.40

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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.