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Finding the Fourth Proportional to 209,248.80, 313,848.90 and 59,512.20

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Solution

The fourth proportional to 209,248.80, 313,848.90 and 59,512.20 is: 89,261.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,248.80 : 313,848.90 = 59,512.20 : x
  2. Step 2: Convert to fraction form
    209,248.80/313,848.90 = 59,512.20/x
  3. Step 3: Cross multiply
    209,248.80x = 313,848.90 × 59,512.20
  4. Step 4: Simplify right side
    209,248.80x = 18,677,838,506.58
  5. Step 5: Solve for x
    x = 18,677,838,506.58/209,248.80
  6. Step 6: Final answer
    x = 89,261.39

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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.