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Finding the Fourth Proportional to 163,007.60, 244,511.40 and 69,522.80

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Solution

The fourth proportional to 163,007.60, 244,511.40 and 69,522.80 is: 104,284.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,007.60 : 244,511.40 = 69,522.80 : x
  2. Step 2: Convert to fraction form
    163,007.60/244,511.40 = 69,522.80/x
  3. Step 3: Cross multiply
    163,007.60x = 244,511.40 × 69,522.80
  4. Step 4: Simplify right side
    163,007.60x = 16,999,117,159.92
  5. Step 5: Solve for x
    x = 16,999,117,159.92/163,007.60
  6. Step 6: Final answer
    x = 104,284.20

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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.