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Finding the Fourth Proportional to 93,210.62, 128,633.88 and 52,923.08

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Solution

The fourth proportional to 93,210.62, 128,633.88 and 52,923.08 is: 73,035.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,210.62 : 128,633.88 = 52,923.08 : x
  2. Step 2: Convert to fraction form
    93,210.62/128,633.88 = 52,923.08/x
  3. Step 3: Cross multiply
    93,210.62x = 128,633.88 × 52,923.08
  4. Step 4: Simplify right side
    93,210.62x = 6,807,701,121.95
  5. Step 5: Solve for x
    x = 6,807,701,121.95/93,210.62
  6. Step 6: Final answer
    x = 73,035.68

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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.