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Finding the Fourth Proportional to 242,607.22, 334,817.17 and 133,730.89

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Solution

The fourth proportional to 242,607.22, 334,817.17 and 133,730.89 is: 184,559.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    242,607.22 : 334,817.17 = 133,730.89 : x
  2. Step 2: Convert to fraction form
    242,607.22/334,817.17 = 133,730.89/x
  3. Step 3: Cross multiply
    242,607.22x = 334,817.17 × 133,730.89
  4. Step 4: Simplify right side
    242,607.22x = 44,775,396,457.30
  5. Step 5: Solve for x
    x = 44,775,396,457.30/242,607.22
  6. Step 6: Final answer
    x = 184,559.21

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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.