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Finding the Fourth Proportional to 163,968.80, 245,953.20 and 160,858.40

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Solution

The fourth proportional to 163,968.80, 245,953.20 and 160,858.40 is: 241,287.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,968.80 : 245,953.20 = 160,858.40 : x
  2. Step 2: Convert to fraction form
    163,968.80/245,953.20 = 160,858.40/x
  3. Step 3: Cross multiply
    163,968.80x = 245,953.20 × 160,858.40
  4. Step 4: Simplify right side
    163,968.80x = 39,563,638,226.88
  5. Step 5: Solve for x
    x = 39,563,638,226.88/163,968.80
  6. Step 6: Final answer
    x = 241,287.60

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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.