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Finding the Fourth Proportional to 163,617.60, 245,656.80 and 101,409.60

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Solution

The fourth proportional to 163,617.60, 245,656.80 and 101,409.60 is: 152,257.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,617.60 : 245,656.80 = 101,409.60 : x
  2. Step 2: Convert to fraction form
    163,617.60/245,656.80 = 101,409.60/x
  3. Step 3: Cross multiply
    163,617.60x = 245,656.80 × 101,409.60
  4. Step 4: Simplify right side
    163,617.60x = 24,911,957,825.28
  5. Step 5: Solve for x
    x = 24,911,957,825.28/163,617.60
  6. Step 6: Final answer
    x = 152,257.20

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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.