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Finding the Fourth Proportional to 93,559.04, 129,068.16 and 53,792

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Solution

The fourth proportional to 93,559.04, 129,068.16 and 53,792 is: 74,208.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,559.04 : 129,068.16 = 53,792 : x
  2. Step 2: Convert to fraction form
    93,559.04/129,068.16 = 53,792/x
  3. Step 3: Cross multiply
    93,559.04x = 129,068.16 × 53,792
  4. Step 4: Simplify right side
    93,559.04x = 6,942,834,462.72
  5. Step 5: Solve for x
    x = 6,942,834,462.72/93,559.04
  6. Step 6: Final answer
    x = 74,208.06

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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.