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Finding the Fourth Proportional to 178,881.21, 268,444.80 and 73,700.16

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Solution

The fourth proportional to 178,881.21, 268,444.80 and 73,700.16 is: 110,600.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    178,881.21 : 268,444.80 = 73,700.16 : x
  2. Step 2: Convert to fraction form
    178,881.21/268,444.80 = 73,700.16/x
  3. Step 3: Cross multiply
    178,881.21x = 268,444.80 × 73,700.16
  4. Step 4: Simplify right side
    178,881.21x = 19,784,424,711.17
  5. Step 5: Solve for x
    x = 19,784,424,711.17/178,881.21
  6. Step 6: Final answer
    x = 110,600.91

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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.