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Finding the Fourth Proportional to 93,492.94, 129,020.25 and 51,051.51

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Solution

The fourth proportional to 93,492.94, 129,020.25 and 51,051.51 is: 70,451.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,492.94 : 129,020.25 = 51,051.51 : x
  2. Step 2: Convert to fraction form
    93,492.94/129,020.25 = 51,051.51/x
  3. Step 3: Cross multiply
    93,492.94x = 129,020.25 × 51,051.51
  4. Step 4: Simplify right side
    93,492.94x = 6,586,678,583.08
  5. Step 5: Solve for x
    x = 6,586,678,583.08/93,492.94
  6. Step 6: Final answer
    x = 70,451.08

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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.