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Finding the Fourth Proportional to 93,033.06, 128,444.94 and 61,256.76

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Solution

The fourth proportional to 93,033.06, 128,444.94 and 61,256.76 is: 84,573.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,033.06 : 128,444.94 = 61,256.76 : x
  2. Step 2: Convert to fraction form
    93,033.06/128,444.94 = 61,256.76/x
  3. Step 3: Cross multiply
    93,033.06x = 128,444.94 × 61,256.76
  4. Step 4: Simplify right side
    93,033.06x = 7,868,120,862.79
  5. Step 5: Solve for x
    x = 7,868,120,862.79/93,033.06
  6. Step 6: Final answer
    x = 84,573.39

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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.