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Finding the Fourth Proportional to 124,492.92, 186,741.90 and 35,749.32

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Solution

The fourth proportional to 124,492.92, 186,741.90 and 35,749.32 is: 53,624.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,492.92 : 186,741.90 = 35,749.32 : x
  2. Step 2: Convert to fraction form
    124,492.92/186,741.90 = 35,749.32/x
  3. Step 3: Cross multiply
    124,492.92x = 186,741.90 × 35,749.32
  4. Step 4: Simplify right side
    124,492.92x = 6,675,895,940.51
  5. Step 5: Solve for x
    x = 6,675,895,940.51/124,492.92
  6. Step 6: Final answer
    x = 53,624.70

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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.