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Finding the Fourth Proportional to 93,561.04, 129,070.92 and 53,794

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Solution

The fourth proportional to 93,561.04, 129,070.92 and 53,794 is: 74,210.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,561.04 : 129,070.92 = 53,794 : x
  2. Step 2: Convert to fraction form
    93,561.04/129,070.92 = 53,794/x
  3. Step 3: Cross multiply
    93,561.04x = 129,070.92 × 53,794
  4. Step 4: Simplify right side
    93,561.04x = 6,943,241,070.48
  5. Step 5: Solve for x
    x = 6,943,241,070.48/93,561.04
  6. Step 6: Final answer
    x = 74,210.82

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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.