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Finding the Fourth Proportional to 173,783.70, 243,647.10 and 173,783.70

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Solution

The fourth proportional to 173,783.70, 243,647.10 and 173,783.70 is: 243,647.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,783.70 : 243,647.10 = 173,783.70 : x
  2. Step 2: Convert to fraction form
    173,783.70/243,647.10 = 173,783.70/x
  3. Step 3: Cross multiply
    173,783.70x = 243,647.10 × 173,783.70
  4. Step 4: Simplify right side
    173,783.70x = 42,341,894,532.27
  5. Step 5: Solve for x
    x = 42,341,894,532.27/173,783.70
  6. Step 6: Final answer
    x = 243,647.10

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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.