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Finding the Fourth Proportional to 173,894.70, 260,842.05 and 162,144.30

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Solution

The fourth proportional to 173,894.70, 260,842.05 and 162,144.30 is: 243,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,894.70 : 260,842.05 = 162,144.30 : x
  2. Step 2: Convert to fraction form
    173,894.70/260,842.05 = 162,144.30/x
  3. Step 3: Cross multiply
    173,894.70x = 260,842.05 × 162,144.30
  4. Step 4: Simplify right side
    173,894.70x = 42,294,051,607.82
  5. Step 5: Solve for x
    x = 42,294,051,607.82/173,894.70
  6. Step 6: Final answer
    x = 243,216.45

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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.