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Finding the Fourth Proportional to 248,153.60, 372,230.40 and 153,675.20

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Solution

The fourth proportional to 248,153.60, 372,230.40 and 153,675.20 is: 230,512.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    248,153.60 : 372,230.40 = 153,675.20 : x
  2. Step 2: Convert to fraction form
    248,153.60/372,230.40 = 153,675.20/x
  3. Step 3: Cross multiply
    248,153.60x = 372,230.40 × 153,675.20
  4. Step 4: Simplify right side
    248,153.60x = 57,202,581,166.08
  5. Step 5: Solve for x
    x = 57,202,581,166.08/248,153.60
  6. Step 6: Final answer
    x = 230,512.80

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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.