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Finding the Fourth Proportional to 194,718.60, 272,999.70 and 194,718.60

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Solution

The fourth proportional to 194,718.60, 272,999.70 and 194,718.60 is: 272,999.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,718.60 : 272,999.70 = 194,718.60 : x
  2. Step 2: Convert to fraction form
    194,718.60/272,999.70 = 194,718.60/x
  3. Step 3: Cross multiply
    194,718.60x = 272,999.70 × 194,718.60
  4. Step 4: Simplify right side
    194,718.60x = 53,158,119,384.42
  5. Step 5: Solve for x
    x = 53,158,119,384.42/194,718.60
  6. Step 6: Final answer
    x = 272,999.70

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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.