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Finding the Fourth Proportional to 163,589.10, 245,420.10 and 63,740.40

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Solution

The fourth proportional to 163,589.10, 245,420.10 and 63,740.40 is: 95,624.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,589.10 : 245,420.10 = 63,740.40 : x
  2. Step 2: Convert to fraction form
    163,589.10/245,420.10 = 63,740.40/x
  3. Step 3: Cross multiply
    163,589.10x = 245,420.10 × 63,740.40
  4. Step 4: Simplify right side
    163,589.10x = 15,643,175,342.04
  5. Step 5: Solve for x
    x = 15,643,175,342.04/163,589.10
  6. Step 6: Final answer
    x = 95,624.80

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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.