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Finding the Fourth Proportional to 53,232.86, 73,458.90 and 30,555.90

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Solution

The fourth proportional to 53,232.86, 73,458.90 and 30,555.90 is: 42,165.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,232.86 : 73,458.90 = 30,555.90 : x
  2. Step 2: Convert to fraction form
    53,232.86/73,458.90 = 30,555.90/x
  3. Step 3: Cross multiply
    53,232.86x = 73,458.90 × 30,555.90
  4. Step 4: Simplify right side
    53,232.86x = 2,244,602,802.51
  5. Step 5: Solve for x
    x = 2,244,602,802.51/53,232.86
  6. Step 6: Final answer
    x = 42,165.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.