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Finding the Fourth Proportional to 124,495.84, 186,715.32 and 35,748.64

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Solution

The fourth proportional to 124,495.84, 186,715.32 and 35,748.64 is: 53,614.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,495.84 : 186,715.32 = 35,748.64 : x
  2. Step 2: Convert to fraction form
    124,495.84/186,715.32 = 35,748.64/x
  3. Step 3: Cross multiply
    124,495.84x = 186,715.32 × 35,748.64
  4. Step 4: Simplify right side
    124,495.84x = 6,674,818,757.16
  5. Step 5: Solve for x
    x = 6,674,818,757.16/124,495.84
  6. Step 6: Final answer
    x = 53,614.79

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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.