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Finding the Fourth Proportional to 223,068.53, 334,645.70 and 89,962.25

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Solution

The fourth proportional to 223,068.53, 334,645.70 and 89,962.25 is: 134,960.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,068.53 : 334,645.70 = 89,962.25 : x
  2. Step 2: Convert to fraction form
    223,068.53/334,645.70 = 89,962.25/x
  3. Step 3: Cross multiply
    223,068.53x = 334,645.70 × 89,962.25
  4. Step 4: Simplify right side
    223,068.53x = 30,105,478,001.79
  5. Step 5: Solve for x
    x = 30,105,478,001.79/223,068.53
  6. Step 6: Final answer
    x = 134,960.67

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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.