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Finding the Fourth Proportional to 163,752.40, 245,628.60 and 93,638.80

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Solution

The fourth proportional to 163,752.40, 245,628.60 and 93,638.80 is: 140,458.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,752.40 : 245,628.60 = 93,638.80 : x
  2. Step 2: Convert to fraction form
    163,752.40/245,628.60 = 93,638.80/x
  3. Step 3: Cross multiply
    163,752.40x = 245,628.60 × 93,638.80
  4. Step 4: Simplify right side
    163,752.40x = 23,000,367,349.68
  5. Step 5: Solve for x
    x = 23,000,367,349.68/163,752.40
  6. Step 6: Final answer
    x = 140,458.20

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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.