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Finding the Fourth Proportional to 164,854.60, 247,281.90 and 163,625.80

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Solution

The fourth proportional to 164,854.60, 247,281.90 and 163,625.80 is: 245,438.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,854.60 : 247,281.90 = 163,625.80 : x
  2. Step 2: Convert to fraction form
    164,854.60/247,281.90 = 163,625.80/x
  3. Step 3: Cross multiply
    164,854.60x = 247,281.90 × 163,625.80
  4. Step 4: Simplify right side
    164,854.60x = 40,461,698,713.02
  5. Step 5: Solve for x
    x = 40,461,698,713.02/164,854.60
  6. Step 6: Final answer
    x = 245,438.70

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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.