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Finding the Fourth Proportional to 163,707.96, 225,948 and 102,482.60

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Solution

The fourth proportional to 163,707.96, 225,948 and 102,482.60 is: 141,445.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,707.96 : 225,948 = 102,482.60 : x
  2. Step 2: Convert to fraction form
    163,707.96/225,948 = 102,482.60/x
  3. Step 3: Cross multiply
    163,707.96x = 225,948 × 102,482.60
  4. Step 4: Simplify right side
    163,707.96x = 23,155,738,504.80
  5. Step 5: Solve for x
    x = 23,155,738,504.80/163,707.96
  6. Step 6: Final answer
    x = 141,445.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.