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Finding the Fourth Proportional to 93,225.74, 128,649.48 and 52,938.78

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Solution

The fourth proportional to 93,225.74, 128,649.48 and 52,938.78 is: 73,054.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,225.74 : 128,649.48 = 52,938.78 : x
  2. Step 2: Convert to fraction form
    93,225.74/128,649.48 = 52,938.78/x
  3. Step 3: Cross multiply
    93,225.74x = 128,649.48 × 52,938.78
  4. Step 4: Simplify right side
    93,225.74x = 6,810,546,518.83
  5. Step 5: Solve for x
    x = 6,810,546,518.83/93,225.74
  6. Step 6: Final answer
    x = 73,054.36

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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.