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Finding the Fourth Proportional to 173,892.30, 260,838.45 and 155,193.45

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Solution

The fourth proportional to 173,892.30, 260,838.45 and 155,193.45 is: 232,790.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,892.30 : 260,838.45 = 155,193.45 : x
  2. Step 2: Convert to fraction form
    173,892.30/260,838.45 = 155,193.45/x
  3. Step 3: Cross multiply
    173,892.30x = 260,838.45 × 155,193.45
  4. Step 4: Simplify right side
    173,892.30x = 40,480,418,948.15
  5. Step 5: Solve for x
    x = 40,480,418,948.15/173,892.30
  6. Step 6: Final answer
    x = 232,790.18

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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.