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Finding the Fourth Proportional to 93,734.94, 139,875.86 and 85,353.06

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Solution

The fourth proportional to 93,734.94, 139,875.86 and 85,353.06 is: 127,368.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,734.94 : 139,875.86 = 85,353.06 : x
  2. Step 2: Convert to fraction form
    93,734.94/139,875.86 = 85,353.06/x
  3. Step 3: Cross multiply
    93,734.94x = 139,875.86 × 85,353.06
  4. Step 4: Simplify right side
    93,734.94x = 11,938,832,244.37
  5. Step 5: Solve for x
    x = 11,938,832,244.37/93,734.94
  6. Step 6: Final answer
    x = 127,368.00

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.