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Finding the Fourth Proportional to 52,988.68, 73,123.86 and 29,114.84

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Solution

The fourth proportional to 52,988.68, 73,123.86 and 29,114.84 is: 40,178.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,988.68 : 73,123.86 = 29,114.84 : x
  2. Step 2: Convert to fraction form
    52,988.68/73,123.86 = 29,114.84/x
  3. Step 3: Cross multiply
    52,988.68x = 73,123.86 × 29,114.84
  4. Step 4: Simplify right side
    52,988.68x = 2,128,989,484.08
  5. Step 5: Solve for x
    x = 2,128,989,484.08/52,988.68
  6. Step 6: Final answer
    x = 40,178.19

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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.