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Finding the Fourth Proportional to 93,888.82, 129,569.82 and 51,447.34

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Solution

The fourth proportional to 93,888.82, 129,569.82 and 51,447.34 is: 70,999.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,888.82 : 129,569.82 = 51,447.34 : x
  2. Step 2: Convert to fraction form
    93,888.82/129,569.82 = 51,447.34/x
  3. Step 3: Cross multiply
    93,888.82x = 129,569.82 × 51,447.34
  4. Step 4: Simplify right side
    93,888.82x = 6,666,022,583.28
  5. Step 5: Solve for x
    x = 6,666,022,583.28/93,888.82
  6. Step 6: Final answer
    x = 70,999.11

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1.5x scale

Why These Related Problems?

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