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Finding the Fourth Proportional to 162,300.05, 243,450.08 and 51,492.05

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Solution

The fourth proportional to 162,300.05, 243,450.08 and 51,492.05 is: 77,238.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    162,300.05 : 243,450.08 = 51,492.05 : x
  2. Step 2: Convert to fraction form
    162,300.05/243,450.08 = 51,492.05/x
  3. Step 3: Cross multiply
    162,300.05x = 243,450.08 × 51,492.05
  4. Step 4: Simplify right side
    162,300.05x = 12,535,743,434.40
  5. Step 5: Solve for x
    x = 12,535,743,434.40/162,300.05
  6. Step 6: Final answer
    x = 77,238.08

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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.