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Finding the Fourth Proportional to 163,416.40, 245,124.60 and 52,608.40

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Solution

The fourth proportional to 163,416.40, 245,124.60 and 52,608.40 is: 78,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,416.40 : 245,124.60 = 52,608.40 : x
  2. Step 2: Convert to fraction form
    163,416.40/245,124.60 = 52,608.40/x
  3. Step 3: Cross multiply
    163,416.40x = 245,124.60 × 52,608.40
  4. Step 4: Simplify right side
    163,416.40x = 12,895,613,006.64
  5. Step 5: Solve for x
    x = 12,895,613,006.64/163,416.40
  6. Step 6: Final answer
    x = 78,912.60

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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.