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Finding the Fourth Proportional to 252,030.60, 378,045.90 and 65,042.10

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Solution

The fourth proportional to 252,030.60, 378,045.90 and 65,042.10 is: 97,563.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,030.60 : 378,045.90 = 65,042.10 : x
  2. Step 2: Convert to fraction form
    252,030.60/378,045.90 = 65,042.10/x
  3. Step 3: Cross multiply
    252,030.60x = 378,045.90 × 65,042.10
  4. Step 4: Simplify right side
    252,030.60x = 24,588,899,232.39
  5. Step 5: Solve for x
    x = 24,588,899,232.39/252,030.60
  6. Step 6: Final answer
    x = 97,563.15

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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.