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Finding the Fourth Proportional to 163,658.40, 245,487.60 and 52,850.40

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Solution

The fourth proportional to 163,658.40, 245,487.60 and 52,850.40 is: 79,275.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,658.40 : 245,487.60 = 52,850.40 : x
  2. Step 2: Convert to fraction form
    163,658.40/245,487.60 = 52,850.40/x
  3. Step 3: Cross multiply
    163,658.40x = 245,487.60 × 52,850.40
  4. Step 4: Simplify right side
    163,658.40x = 12,974,117,855.04
  5. Step 5: Solve for x
    x = 12,974,117,855.04/163,658.40
  6. Step 6: Final answer
    x = 79,275.60

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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.