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Finding the Fourth Proportional to 173,823.30, 243,877.50 and 173,823.30

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Solution

The fourth proportional to 173,823.30, 243,877.50 and 173,823.30 is: 243,877.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,823.30 : 243,877.50 = 173,823.30 : x
  2. Step 2: Convert to fraction form
    173,823.30/243,877.50 = 173,823.30/x
  3. Step 3: Cross multiply
    173,823.30x = 243,877.50 × 173,823.30
  4. Step 4: Simplify right side
    173,823.30x = 42,391,591,845.75
  5. Step 5: Solve for x
    x = 42,391,591,845.75/173,823.30
  6. Step 6: Final answer
    x = 243,877.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.