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Finding the Fourth Proportional to 224,657.44, 310,172.88 and 139,808.80

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Solution

The fourth proportional to 224,657.44, 310,172.88 and 139,808.80 is: 193,026.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,657.44 : 310,172.88 = 139,808.80 : x
  2. Step 2: Convert to fraction form
    224,657.44/310,172.88 = 139,808.80/x
  3. Step 3: Cross multiply
    224,657.44x = 310,172.88 × 139,808.80
  4. Step 4: Simplify right side
    224,657.44x = 43,364,898,145.34
  5. Step 5: Solve for x
    x = 43,364,898,145.34/224,657.44
  6. Step 6: Final answer
    x = 193,026.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.