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Finding the Fourth Proportional to 243,060.60, 364,590.90 and 159,079.80

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Solution

The fourth proportional to 243,060.60, 364,590.90 and 159,079.80 is: 238,619.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,060.60 : 364,590.90 = 159,079.80 : x
  2. Step 2: Convert to fraction form
    243,060.60/364,590.90 = 159,079.80/x
  3. Step 3: Cross multiply
    243,060.60x = 364,590.90 × 159,079.80
  4. Step 4: Simplify right side
    243,060.60x = 57,999,047,453.82
  5. Step 5: Solve for x
    x = 57,999,047,453.82/243,060.60
  6. Step 6: Final answer
    x = 238,619.70

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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.