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Finding the Fourth Proportional to 178,959.80, 268,439.74 and 52,600.06

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Solution

The fourth proportional to 178,959.80, 268,439.74 and 52,600.06 is: 78,900.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,959.80 : 268,439.74 = 52,600.06 : x
  2. Step 2: Convert to fraction form
    178,959.80/268,439.74 = 52,600.06/x
  3. Step 3: Cross multiply
    178,959.80x = 268,439.74 × 52,600.06
  4. Step 4: Simplify right side
    178,959.80x = 14,119,946,430.38
  5. Step 5: Solve for x
    x = 14,119,946,430.38/178,959.80
  6. Step 6: Final answer
    x = 78,900.10

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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.