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Finding the Fourth Proportional to 234,953.60, 352,430.40 and 57,458.30

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Solution

The fourth proportional to 234,953.60, 352,430.40 and 57,458.30 is: 86,187.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    234,953.60 : 352,430.40 = 57,458.30 : x
  2. Step 2: Convert to fraction form
    234,953.60/352,430.40 = 57,458.30/x
  3. Step 3: Cross multiply
    234,953.60x = 352,430.40 × 57,458.30
  4. Step 4: Simplify right side
    234,953.60x = 20,250,051,652.32
  5. Step 5: Solve for x
    x = 20,250,051,652.32/234,953.60
  6. Step 6: Final answer
    x = 86,187.45

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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.